Nuts and Washers - United States (US)
Federal Supply Class (FSC): 5310
NATO Supply Classification Class (NSC): 5310
Federal Supply Group (FSG): 53 Hardware and Abrasives
NATO Supply Classification Group (NSG): 53 Hardware and Abrasives
Items Managed by United States (US) - NCB is 00 to 09
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NSN Format for Nuts and Washers
Codified by United States
| 53 | 10 | 01 | XXX | XXXX | |||
|---|---|---|---|---|---|---|---|
| Group FSG | Class | NCB | Identifier | ||||
| FSC Federal Supply Class | NIIN | ||||||
| NSN | |||||||
NATO Supply Class 5310 is a classification within NATO Supply Group 53, which is dedicated to Hardware And Abrasives. Specifically, Class 5310 pertains to Nuts And Washers.
Nuts and washers are essential components in various mechanical and construction applications. They are used to secure and fasten different parts together, providing stability and preventing loosening or disassembly.
In the NATO supply system, Class 5310 includes a wide range of nuts and washers, such as:
1. Nuts: These are typically hexagonal or square-shaped metal fasteners with a threaded hole in the center. Nuts are used in conjunction with bolts or screws to create a secure joint. They come in various sizes, materials, and thread types to accommodate different applications.
2. Washers: Washers are flat, thin discs with a hole in the center. They are placed between the nut and the surface being fastened to distribute the load and prevent damage to the surface. Washers can also be used to provide insulation, reduce friction, or act as spacers.
NATO Supply Class 5310 ensures that the nuts and washers meet specific quality and performance standards required by NATO member countries. These standards may include factors such as material composition, strength, corrosion resistance, and dimensional specifications.
When procuring nuts and washers within NATO Supply Class 5310, it is important to consider the specific requirements of the application, such as the type of material being fastened, the load-bearing capacity needed, and any environmental factors that may affect the performance of the fasteners.
Overall, NATO Supply Class 5310 plays a crucial role in ensuring the availability of high-quality nuts and washers for military and defense-related applications within NATO member countries.
Includes Locknuts; Eye Nuts; Plain Nuts; Castellated Nuts; Wing Nuts; Plate Nuts; Push on Nuts; Concave and Convex Washers; Flat Washers; Keyed Washers; Lock Washers; Shouldered Washers; Split Washers.
Excludes Bearing Thrust Washers (FSC 3120); Shims (FSC 5365); Ring Spacers (FSC 5365); Plate Spacers (FSC 5365); Lock Rings (FSC 5365).
Frequently Asked Questions(FAQ) for Federal Supply Class 5310
- What is Federal Supply Class 5310?
- FSC 5310 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5310) in the USA for supply items codified in the category of Nuts and Washers.
- What is NATO Supply Classification Class 5310?
- NSC 5310 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5310 in the USA) for supply items codified in the category of Nuts and Washers.
- Which Federal Supply Group is FSC 5310 in?
- FSC 5310 is in Federal Supply Group (FSG) 53 which contains Hardware and Abrasives.
- Which NATO Supply Classification Group is NSC 5310 in?
- NSC 5310 is in NATO Supply Classification Group (NSG) 53 which contains Hardware and Abrasives.
Supply Items Included in Federal Supply Class 5310
- What is a Hexagon Castellated Plain Nut? 948 Items
- A Hexagon Castellated Plain Nut (NUT,PLAIN,CASTELLATED,HEXAGON) is a nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.
- What is a Cap Plain Nut? 1423 Items
- A Cap Plain Nut (NUT,PLAIN,CAP) is an item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see NUT (1), STAMPED. For similar items which are flat on top and bottom see NUT (1), SLEEVE or POST, ELECTRICAL-MECHANICAL EQUIPMENT.
- What is a Dodecagon Plain Nut? 30 Items
- A Dodecagon Plain Nut (NUT,PLAIN,DODECAGON) is a nut, flat on top and bottom, having 12 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
- What is a Hexagon Plain Nut? 27024 Items
- A Hexagon Plain Nut (NUT,PLAIN,HEXAGON) is a nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
- What is a Square Plain Nut? 483 Items
- A Square Plain Nut (NUT,PLAIN,SQUARE) is a nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
- What is a Hexagon Slotted Plain Nut? 1450 Items
- A Hexagon Slotted Plain Nut (NUT,PLAIN,SLOTTED,HEXAGON) is a nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, CASTELLATED, HEXAGON.
- What is a Clinch Plain Nut? 1451 Items
- A Clinch Plain Nut (NUT,PLAIN,CLINCH) is a nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole.
- What is a Spline Plain Nut? 299 Items
- A Spline Plain Nut (NUT,PLAIN,SPLINE) is a nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.
- What is a Wing Plain Nut? 752 Items
- A Wing Plain Nut (NUT,PLAIN,WING) is a nut having wings designed for manual turning without driver or wrench.
- What is a Gang Channel Self-Locking Nut? 417 Items
- A Gang Channel Self-Locking Nut (NUT,SELF-LOCKING,GANG CHANNEL) is a nut having ears or lugs designed to hold it in position after its installation in a specially designed channel. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Gang Channel Self-Locking Nut Assembly? 2888 Items
- A Gang Channel Self-Locking Nut Assembly (NUT ASSEMBLY,SELF-LOCKING,GANG CHANNEL) is an item composed of a specially designed channel and a series of nuts having integral self-locking features assembled in predetermined spacing.
- What is a Sheet Spring Nut? 795 Items
- A Sheet Spring Nut (NUT,SHEET SPRING) is a nut formed from sheet spring material, usually steel, into varying flat, concave, bent or curved designs, having apertures with suitable boss or bosses usually on the upper side capable of securely gripping a mating threaded member. Excludes NUT (1), STAMPED.
- What is a Key Washer? 4691 Items
- A Key Washer (WASHER,KEY) is a washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.
- What is a Plate Plain Nut? 1501 Items
- A Plate Plain Nut (NUT,PLAIN,PLATE) is a nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding, intergral prongs or by bonding.
- What is a Blind Rivet Plain Nut? 2092 Items
- A Blind Rivet Plain Nut (NUT,PLAIN,BLIND RIVET) is a metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. Is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. See also NUT (1) SELF-LOCKING, BLIND RIVET. Excludes NUT (1), SLEEVE.
- What is a Nut Blank? 420 Items
- A Nut Blank is an item which resembles any of various nuts in shape and is intended for a subsequent threading operation.
- What is a Double Hexagon Extended Washer Plain Nut? 107 Items
- A Double Hexagon Extended Washer Plain Nut (NUT,PLAIN,EXTENDED WASHER,DOUBLE HEXAGON) is a nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
- What is a Hexagon Extended Washer Plain Nut? 940 Items
- A Hexagon Extended Washer Plain Nut (NUT,PLAIN,EXTENDED WASHER,HEXAGON) is a nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
- What is a Square Extended Washer Plain Nut? 18 Items
- A Square Extended Washer Plain Nut (NUT,PLAIN,EXTENDED WASHER,SQUARE) is a nut having 4 flat sides and an integral washer which extends beyond the flats or periphery.
- What is a Hexagon Double Ball Seat Plain Nut? 10 Items
- A Hexagon Double Ball Seat Plain Nut (NUT,PLAIN,DOUBLE BALL SEAT,HEXAGON) is a nut having opposite convex spherical bearing surfaces and 6 flat sides.
- What is a Hexagon Single Ball Seat Plain Nut? 161 Items
- A Hexagon Single Ball Seat Plain Nut (NUT,PLAIN,SINGLE BALL SEAT,HEXAGON) is a nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also NUT (1), PLAIN, CONE SEAT, HEXAGON.
- What is an Internal Wrenching Plain Nut? 88 Items
- An Internal Wrenching Plain Nut (NUT,PLAIN,INTERNAL WRENCHING) is a cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench.
- What is a Cap Self-Locking Nut? 433 Items
- A Cap Self-Locking Nut (NUT,SELF-LOCKING,CAP) is a nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes NUT (1), STAMPED.
- What is a Double Hexagon Self-Locking Nut? 472 Items
- A Double Hexagon Self-Locking Nut (NUT,SELF-LOCKING,DOUBLE HEXAGON) is a nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
- What is a Hexagon Self-Locking Nut? 10563 Items
- A Hexagon Self-Locking Nut (NUT,SELF-LOCKING,HEXAGON) is a nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
- What is a Square Self-Locking Nut? 25 Items
- A Square Self-Locking Nut (NUT,SELF-LOCKING,SQUARE) is a nut having a flat bottom and 4 flat sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
- What is a Stamped Nut? 122 Items
- A Stamped Nut (NUT,STAMPED) is a nut formed from sheet spring material, usually steel, into various shapes, having the external appearance of a solid nut, and having an aperture with suitable bosses, lugs, notches, and/or slits capable of securely gripping a mating threaded member. See also NUT (1), SHEET SPRING.
- What is a Plate Self-Locking Nut? 6534 Items
- A Plate Self-Locking Nut (NUT,SELF-LOCKING,PLATE) is a nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Push On Nut? 423 Items
- A Push On Nut is an item formed from sheet spring material into varying flat, concave, curved, or nutlike design. It has an aperture with an elliptical-shaped hole or suitable lugs or prongs designed to retain threaded or unthreaded stud like projecting memebers. When pushed on, it grips by imbedding into the material of the projecting memebers, and does not mate with a thread helix. See also RING, RETAINING.
- What is a Hexagon Cone Seat Plain Nut? 201 Items
- A Hexagon Cone Seat Plain Nut (NUT,PLAIN,CONE SEAT,HEXAGON) is a nut having 6 flat sides and a cone seat bearing surface. Items may have a removable collar. See also NUT (1), PLAIN, SINGLE BALL SEAT, HEXAGON.
- What is a Wing Self-Locking Nut? 67 Items
- A Wing Self-Locking Nut (NUT,SELF-LOCKING,WING) is a nut having wings designed for manual turning without driver or wrench with an integral feature incorporated for locking on the threads of a mating member.
- What is an Internal Wrenching Self-Locking Nut? 62 Items
- An Internal Wrenching Self-Locking Nut (NUT,SELF-LOCKING,INTERNAL WRENCHING) is a cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Keyway Washer? 586 Items
- A Keyway Washer (WASHER,KEYWAY) is a washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more notches. Excludes thrust type washers.
- What is a Flat Washer? 61400 Items
- A Flat Washer (WASHER,FLAT) is a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
- What is a Lock Washer? 12414 Items
- A Lock Washer (WASHER,LOCK) is a washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
- What is a Welding Plain Nut? 128 Items
- A Welding Plain Nut (NUT,PLAIN,WELDING) is a nut with projection(s) that is/are designed to localize heating, during welding, at predetermined points and to fuse with the metal to which the nut is mounted.
- What is a Knurled Plain Nut? 989 Items
- A Knurled Plain Nut (NUT,PLAIN,KNURLED) is a nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, ROUND. (When height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
- What is a Round Plain Nut? 5941 Items
- A Round Plain Nut (NUT,PLAIN,ROUND) is a nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
- What is a Hexagon Concave Nut? 14 Items
- A Hexagon Concave Nut (NUT,CONCAVE,HEXAGON) is a hexagon nut having a concave face and a concave or slotted top.
- What is a Rectangular Plain Nut? 268 Items
- A Rectangular Plain Nut (NUT,PLAIN,RECTANGULAR) is a nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
- What is a Barrel Self-Locking Nut? 430 Items
- A Barrel Self-Locking Nut (NUT,SELF-LOCKING,BARREL) is a nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, ROUND.
- What is a Clinch Self-Locking Nut? 1190 Items
- A Clinch Self-Locking Nut (NUT,SELF-LOCKING,CLINCH) is a nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.
- What is a Spline Self-Locking Nut? 511 Items
- A Spline Self-Locking Nut (NUT,SELF-LOCKING,SPLINE) is a nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.
- What is a Knurled Self-Locking Nut? 73 Items
- A Knurled Self-Locking Nut (NUT,SELF-LOCKING,KNURLED) is a nut round in shape, whose outer surface or portion(s) is/are knurled. It may have provisions for external wrenching. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Round Self-Locking Nut? 750 Items
- A Round Self-Locking Nut (NUT,SELF-LOCKING,ROUND) is a nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; and TURNBUCKLE BODY.
- What is an Eye Nut? 125 Items
- An Eye Nut (NUT,EYE) is a combination eye and nut, formed in one piece, and when fitted to an externally threaded object, the eye is used as an attaching medium.
- What is a Saddle Washer? 311 Items
- A Saddle Washer (WASHER,SADDLE) is a washer with one surface shaped to fit a similarly curved surface, the other surface of the washer being either parallel with the shaped surface or in the form of raised boss having either a flat bearing surface or a recess designed for holding a nut. Excludes WASHER (1), CONCAVE and WASHER (1), CONVEX.
- What is a Nut Assortment? 49 Items
- A Nut Assortment is two or more different sizes and/or types of nuts grouped together in a single package.
- What is a Washer Assortment? 123 Items
- A Washer Assortment is two or more different size and/or types of washers grouped together in a single package.
- What is a Bevel Washer? 407 Items
- A Bevel Washer (WASHER,BEVEL) is a washer having a centrally located hole and two flat bearing surfaces which are not parallel.
- What is a Concave Washer? 559 Items
- A Concave Washer (WASHER,CONCAVE) is a washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.
- What is a Convex Washer? 649 Items
- A Convex Washer (WASHER,CONVEX) is a washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also WASHER (1), CONCAVE. Excludes BEARING, WASHER THRUST.
- What is a Finishing Washer? 489 Items
- A Finishing Washer (WASHER,FINISHING) is a washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
- What is a Recessed Washer? 3556 Items
- A Recessed Washer (WASHER,RECESSED) is a washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
- What is a Shouldered Washer? 2277 Items
- A Shouldered Washer (WASHER,SHOULDERED) is a washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
- What is a Shouldered And Recessed Washer? 500 Items
- A Shouldered And Recessed Washer (WASHER,SHOULDERED AND RECESSED) is a washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
- What is a Slotted Washer? 318 Items
- A Slotted Washer (WASHER,SLOTTED) is a washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim which extends from the outer circumference to the washer hole and is always as large as, or larger than the diameter of the hole.
- What is a Split Washer? 663 Items
- A Split Washer (WASHER,SPLIT) is a washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes WASHER (1), LOCK.
- What is a Spring Tension Washer? 5801 Items
- A Spring Tension Washer (WASHER,SPRING TENSION) is a bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
- What is a Retainer Plate Nut Assembly? 252 Items
- A Retainer Plate Nut Assembly (NUT ASSEMBLY,RETAINER PLATE) is a square or rectangular flat metal plate upon which replaceable nuts are assembled in predetermined spacing. The plate has a centrally located hole.
- What is a Retainer Ring Nut Assembly? 193 Items
- A Retainer Ring Nut Assembly (NUT ASSEMBLY,RETAINER RING) is an item consisting of a flat metal ring designed to be fastened in place, upon which replaceable nuts are assembled in predetermined spacing.
- What is a Nut Strip? 523 Items
- A Nut Strip is a fastening device of rigid or semirigid material of various shapes and lengths having two or more apertures with lugs or prongs; threaded holes; or nuts. The apertures, threaded holes or nuts may be of any predetermined spacing.
- What is an Octagon Plain Nut? 126 Items
- An Octagon Plain Nut (NUT,PLAIN,OCTAGON) is a nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
- What is a Plate Nut Spacer? 808 Items
- A Plate Nut Spacer (NUT SPACER,PLATE) is an item having two flat bearing surfaces, conforming to the same shape as the base of a NUT (1), PLAIN, PLATE and NUT (1), SELF-LOCKING, PLATE. It is used to provide better alignment in assembly.
- What is a Washer Blank? 429 Items
- A Washer Blank is an item of various shapes and sizes, having two flat bearing surfaces which may or may not be parallel. It is used in the manufacture of a washer by drilling or punching a hole in the center. Excludes DISK (as modified).
- What is a Panel Fastener Screw Washer? 28 Items
- A Panel Fastener Screw Washer (WASHER,PANEL FASTENER SCREW) is a washer, round in shape, and having a centrally located hole. The inside edge is notched to facilitate installation over the threads of a SCREW, PANEL FASTENER and is designed to be flattened to retain the fastener to a panel.
- What is an Assembled Washer Plain Nut? 290 Items
- An Assembled Washer Plain Nut (NUT,PLAIN,ASSEMBLED WASHER) is a plain nut on which has been assembled a nonremovable washer.
- What is a Barrel Plain Nut? 439 Items
- A Barrel Plain Nut (NUT,PLAIN,BARREL) is a nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. Excludes NUT (1), PLAIN, ROUND.
- What is a Blind Rivet Self-Locking Nut? 562 Items
- A Blind Rivet Self-Locking Nut (NUT,SELF-LOCKING,BLIND RIVET) is a metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Hexagon Castellated Self-Locking Nut? 304 Items
- A Hexagon Castellated Self-Locking Nut (NUT,SELF-LOCKING,CASTELLATED,HEXAGON) is a nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
- What is a Hexagon Cone Seat Self-Locking Nut? 101 Items
- A Hexagon Cone Seat Self-Locking Nut (NUT,SELF-LOCKING,CONE SEAT,HEXAGON) is a nut having 6 flat sides and a cone seat bearing surface. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also NUT (1), SELF-LOCKING, SINGLE BALL SEAT, HEXAGON.
- What is a Double Hexagon Extended Washer Self-Locking Nut? 1060 Items
- A Double Hexagon Extended Washer Self-Locking Nut (NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON) is a nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Hexagon Extended Washer Self-Locking Nut? 1089 Items
- A Hexagon Extended Washer Self-Locking Nut (NUT,SELF-LOCKING,EXTENDED WASHER,HEXAGON) is a nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Hexagon Single Ball Seat Self-Locking Nut? 174 Items
- A Hexagon Single Ball Seat Self-Locking Nut (NUT,SELF-LOCKING,SINGLE BALL SEAT,HEXAGON) is a nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.
- What is a Hexagon Slotted Self-Locking Nut? 167 Items
- A Hexagon Slotted Self-Locking Nut (NUT,SELF-LOCKING,SLOTTED,HEXAGON) is a nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.
- What is a Sleeve Nut? 2149 Items
- A Sleeve Nut (NUT,SLEEVE) is an internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use NUT (1), PLAIN (as modified). Excludes NUT (1), PLAIN, CAP. See also TURNBUCKLE BODY.
- What is an Assembled Washer Self-Locking Nut? 395 Items
- An Assembled Washer Self-Locking Nut (NUT,SELF-LOCKING,ASSEMBLED WASHER) is a nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Matched Spring Tension Washer Set? 61 Items
- A Matched Spring Tension Washer Set (WASHER SET,SPRING TENSION,MATCHED) is a grouping of two or more identical or similar WASHER (1), SPRING TENSION which have been matched together to meet a specific deflected height tolerance when a predetermined load compression is axially applied. Includes only those washers designed and tested to accomplish a specifically desired function.
- What is a Double Hexagon Single Ball Seat Self-Locking Nut? 57 Items
- A Double Hexagon Single Ball Seat Self-Locking Nut (NUT,SELF-LOCKING,SINGLE BALL SEAT,DOUBLE HEXAGON) is a nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
- What is a Double Hexagon Castellated Self-Locking Nut? 14 Items
- A Double Hexagon Castellated Self-Locking Nut (NUT,SELF-LOCKING,CASTELLATED,DOUBLE HEXAGON) is a nut having 12 drive points, 24 sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications.
- What is a Clip-On Nut? 415 Items
- A Clip-On Nut (NUT,CLIP-ON) is an internally threaded fastener, plain or self-locking, of various shapes attached to a preformed item of semi-rigid material designed to retain, position or support other items by its own inherent spring action. The internally threaded fastener and the preformed item may be of one piece construction or fastened together by other means.
- What is a Round Extended Washer Plain Nut? 93 Items
- A Round Extended Washer Plain Nut (NUT,PLAIN,EXTENDED WASHER,ROUND) is a nut, circular in shape, having wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery. It has an integral washer which extends beyond the wrenching element periphery.
- What is a Round Extended Washer Self-Locking Nut? 124 Items
- A Round Extended Washer Self-Locking Nut (NUT,SELF-LOCKING,EXTENDED WASHER,ROUND) is a nut, circular in shape, having wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery. It has an integral washer which extends beyond the wrenching element periphery and an integral feature is incorporated for locking on the threads of a mating member.
- What is a Seal Washer? 914 Items
- A Seal Washer (WASHER,SEAL) is a washer of various shapes having a centrally located hole. It is primarily used as a seat for a bolt or screw to distribute pressure and has a sealing element. It may be used in connection with metallic washers to which it can be bonded.
- What is a Lock Blank Washer? 27 Items
- A Lock Blank Washer (WASHER,LOCK BLANK) is a washer that is shouldered and round in shape and also has a serrated outside diameter. Its serrated edges are so designed that when installed applied pressure produces a spring tension and/or locking principle. The item provides a base, seat, or strike plate when used with equipment.
- What is a Rapid Alignment Locknut? 70 Items
- A Rapid Alignment Locknut (LOCKNUT,RAPID ALIGNMENT) is an item having internal threads designed to mate with an external thread. The item is two permanently joined, independently rotatable slotted nuts. In the open state (slots aligned), the item can be readily slipped onto or off a threaded rod, bolt, or the like. In the closed state (180 degrees between nut slots), the nut locks onto the external thread. The slots run the entire height of the nut. Excludes NUT, PLAIN, SLOTTED (as modified); NUT, SELF-LOCKING, SLOTTED (as modified).
- What is a Blind Assembly Nut? 50 Items
- A Blind Assembly Nut (NUT,BLIND ASSEMBLY) is a two-piece fastener consisting of a sleeve and an expander nut. The nut is self-retaining when drawn into the sleeve with a mandrel or other special tool. The item is designed to be installed or expanded from only one side of a structure or component part. Excludes RIVET, BLIND.
- What is a Special Purpose Wing Plain Nut? 19 Items
- A Special Purpose Wing Plain Nut (NUT,PLAIN,WING,SPECIAL PURPOSE) is an item like a wing nut in shape and designed to restrain the rotating movement of an axle in an operating device mechanism. Excludes NUT, PLAIN, WING
- What is a Retainer Strip Nut Assembly? 23 Items
- A Retainer Strip Nut Assembly (NUT ASSEMBLY,RETAINER STRIP) is an item consisting of a straight flat strip designed to be fastened in place, upon which replaceable sheet spring nuts are assembled in predetermined spacing.
- What is a Gang Angle Self-Locking Nut Assembly? 49 Items
- A Gang Angle Self-Locking Nut Assembly (NUT ASSEMBLY,SELF-LOCKING,GANG ANGLE) is an item composed of a specially designed angle and a series of nuts having integral self-locking features assembled in a predetermined spacing.
- What is a Retainer Strip Self-Locking Nut Assembly Set? 10 Items
- A Retainer Strip Self-Locking Nut Assembly Set (NUT ASSEMBLY SET,SELF-LOCKING,RETAINER STRIP) is a collection of two or more various sized plate strips, upon which NUT,SELF-LOCKING, PLATE are assembled in predetermined spacing.
Stock Items From Supply Class 5310 Page 50 of 746
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