Fastening Devices from United Kingdom (UK)

Question 1

What is Federal Supply Class 5325?

Accepted Answer

FSC 5325 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5325) in the USA for supply items codified in the category of Fastening Devices.

Question 2

What is NATO Supply Classification Class 5325?

Accepted Answer

NSC 5325 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5325 in the USA) for supply items codified in the category of Fastening Devices.

Question 3

Which Federal Supply Group is FSC 5325 in?

Accepted Answer

FSC 5325 is in Federal Supply Group (FSG) 53 which contains Hardware and Abrasives.

Question 4

Which NATO Supply Classification Group is NSC 5325 in?

Accepted Answer

NSC 5325is in NATO Supply Classification Group (NSG) 53 which contains Hardware and Abrasives.

Question 5

What is an Interlocking Slide Fastener?

Accepted Answer

An Interlocking Slide Fastener (FASTENER,SLIDE,INTERLOCKING) is limited to items commonly known as "zipper."

Question 6

What is a Metallic Eyelet?

Accepted Answer

A Metallic Eyelet (EYELET,METALLIC) is a one-piece metal item, usually tubular, flanged at one end, the other end open. It is used primarily for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and crimped to form a mating flange. Excludes GROMMET, METALLIC and eyelets which are components of pushbutton, turnbutton and turnlock type fastners.

Question 7

What is a Metallic Grommet?

Accepted Answer

A Metallic Grommet (GROMMET,METALLIC) is a two-piece metallic item, one piece usually tubular in appearance and flanged at one end, the other piece a plain tooth or spur washer or retaining ring. It is primarily used for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and retained in place by being crimped over the plain or tooth washer or retaining ring or by clinching action between the spur washer and the flanged end. Excludes EYELET, METALLIC.

Question 8

What is a Retaining Ring?

Accepted Answer

A Retaining Ring (RING,RETAINING) is a resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.

Question 9

What is a Screw Thread Insert?

Accepted Answer

A Screw Thread Insert (INSERT,SCREW THREAD) is a cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping.  It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on on its under portion which can be clinched or crimped. Excludes BUSHING,MACHINE THREAD; NUT,PLAIN,KNURLED; NUT,PLAIN,ROUND; NUT,PLAIN,CLINCH and NUT,SELF-LOCKING,CLINCH. See also NUT,PLAIN,PLATE

Question 10

What is a Turnbutton Fastener Stud?

Accepted Answer

A Turnbutton Fastener Stud (STUD,TURNBUTTON FASTENER) is a fastening device, oval in shape, the top half of which, after having been inserted through a SOCKET, TURNBUTTON FASTENER, must be turned to act as a retainer. May include a CLINCH PLATE, TURNBUTTON FASTENER. For items furnished with SOCKET, TURNBUTTON FASTENER see FASTENER, TURNBUTTON.

Question 11

What is a Snap Fastener Stud?

Accepted Answer

A Snap Fastener Stud (STUD,SNAP FASTENER) is a component of a FASTENER, SNAP; which is designed for insertion into a SOCKET, SNAP FASTENER. It may be furnished with POST, SNAP FASTENER or CLINCH PLATE, SNAP FASTENER. Excludes STUD, SNAPSLIDE FASTENER.

Question 12

What is a Snap Fastener Cap?

Accepted Answer

A Snap Fastener Cap (CAP,SNAP FASTENER) is an item designed to permanently fasten a SOCKET, SNAP FASTENER to a material. It may be either hemispherical in shape with prongs on the underside or have a hemispherical shaped head with a tubular shank. See also SOCKET, SNAP FASTENER.

Question 13

What is a Snap Fastener Socket?

Accepted Answer

A Snap Fastener Socket (SOCKET,SNAP FASTENER) is a component of a FASTENER, SNAP; which is designed as a receptacle for a STUD, SNAP FASTENER. It may be furnished with CAP, SNAP FASTENER or CLINCH PLATE, SNAP FASTENER.

Question 14

What is a Snap Fastener?

Accepted Answer

A Snap Fastener (FASTENER,SNAP) is a nonpositive fastening device consisting of a STUD, SNAP FASTENER and a SOCKET, SNAP FASTENER. It may have any one or several of the following components: POST, SNAP FASTENER; CLINCH PLATE, SNAP FASTENER; and CAP, SNAP FASTENER. It is used as a means of attaching cover, curtains, or similar items to each other or to vehicles, hatch coaming, bulkheads and the like.

Question 15

What is a Positive Lock Stud?

Accepted Answer

A Positive Lock Stud (STUD,POSITIVE LOCK) is a quick disconnecting item with a circumferential groove at one end that is inserted into a RECEPTACLE, POSITIVE LOCK for positive fastening.

Question 16

What is a Positive Lock Receptacle?

Accepted Answer

A Positive Lock Receptacle (RECEPTACLE,POSITIVE LOCK) is a platelike item used to secure the STUD, POSITIVE LOCK by means of spring jaws which grip the circumferential groove of the stud. It may incorporate a quick release for the stud which may be actuated by a screwhead, thumbscrew or remote control.

Question 17

What is a Turnbutton Fastener Socket?

Accepted Answer

A Turnbutton Fastener Socket (SOCKET,TURNBUTTON FASTENER) is a metal device functioning as a female receptacle for a STUD, TURNBUTTON FASTENER. May include a clinch plate.

Question 18

What is a Turnlock Fastener Lock Spring?

Accepted Answer

A Turnlock Fastener Lock Spring (LOCK SPRING,TURNLOCK FASTENER) is a spring-tempered wire item used to secure a STUD, TURNLOCK FASTENER or STUD ASSEMBLY, TURNLOCK FASTENER by engaging with the cammed groove of the STUD, TURNLOCK FASTENER and securing it by means of its spring action.

Question 19

What is a Turnlock Fastener Stud?

Accepted Answer

A Turnlock Fastener Stud (STUD,TURNLOCK FASTENER) is a pinlike item designed to turn within and be held in place by an EYELET, TURNLOCK FASTENER; RING, RETAINING; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a LOCKSPRING, TURNLOCK FASTENER or RECEPTACLE, TURNLOCK FASTENER. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Question 20

What is a Turnlock Fastener Eyelet?

Accepted Answer

A Turnlock Fastener Eyelet (EYELET,TURNLOCK FASTENER) is a metallic item designed to be inserted into a preformed hole to guide and retain a STUD, TURNLOCK FASTENER. Excludes EYELET, METALLIC.

Question 21

What is a Turnlock Fastener Stud Assembly?

Accepted Answer

A Turnlock Fastener Stud Assembly (STUD ASSEMBLY,TURNLOCK FASTENER) is a STUD, TURNLOCK FASTENER over which may be assembled an EYELET, TURNLOCK FASTENER. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating RECEPTACLE, TURNLOCK FASTENER. May be spring loaded. For like items having a threaded fastener, see SCREW ASSEMBLY, PANEL or SCREW, PANEL FASTENER.

Question 22

What is a Turnlock Fastener Receptacle?

Accepted Answer

A Turnlock Fastener Receptacle (RECEPTACLE,TURNLOCK FASTENER) is a threaded or tempered item used to secure the STUD, TURNLOCK FASTENER or STUD ASSEMBLY, TURNLOCK FASTENER by engaging with the cross pin, cam lead threads, or eared nut of the STUD, TURNLOCK FASTENER and securing it by means of its thread locking or spring action.

Question 23

What is a Trim Spring Tension Fastener?

Accepted Answer

A Trim Spring Tension Fastener (FASTENER,SPRING TENSION,TRIM) is a fastening device which may have a finished or unfinished cap. It is specifically designed to fasten a trim panel, molding, or the like, to another surface by means of resilient prongs which are pressed into a hole and retained by the holding action of the prongs against the edges of the hole. Excludes BUTTON, PLUG.

Question 24

What is a Turnlock Fastener Ejector Spring Retainer?

Accepted Answer

A Turnlock Fastener Ejector Spring Retainer (RETAINER,TURNLOCK FASTENER EJECTOR SPRING) is a cylindrically shaped item designed to be inserted into a panel to position and retain EJECTOR SPRING, TURNLOCK FASTENER used with a STUD, TURNLOCK FASTENER.

Question 25

What is a Lock Pin Fastener Stud?

Accepted Answer

A Lock Pin Fastener Stud (STUD,LOCK PIN FASTENER) is a metallic postlike fastening device, having a body on one end which is usually round in cross section, and a hole drilled perpendicular to the axis for insertion of a lock pin to securely fasten inspection covers, plates, cowling, or the like. The opposite end has mounting facilities in the form of a flange, plain shank, or threaded shank. May include a grommet.

Question 26

What is a Nonmetallic Grommet Blank?

Accepted Answer

A Nonmetallic Grommet Blank (GROMMET BLANK,NONMETALLIC) is a small cylindrical, circular-like, nonmetallic item whose outer curved surface has a circumferential groove(s) to enable it to be self-retained when inserted in a hole.

Question 27

What is a Hook And Pile Fastener Tape?

Accepted Answer

A Hook And Pile Fastener Tape (FASTENER TAPE,HOOK AND PILE) is a fastener device consisting of a FASTENER TAPE, HOOK and a FASTENER TAPE, PILE or a single tape with the hooks and loops on opposite sides or at opposing ends or both. When pressed together these two tapes cling to each other until disengaged by a "peeling" motion. Commonly known as "velcro".

Question 28

What is a Nonmetallic Grommet?

Accepted Answer

A Nonmetallic Grommet (GROMMET,NONMETALLIC) is an item of any peripheral shape having flanges or groove(s) on its outer perimeter to provide a self-retaining characteristic when inserted in a hole, clamp, or the like. Designed for the purpose of protecting and/or insulating wires, cables and other items passing through it. Excludes BUSHING, NONMETALLIC; BUMPER; and INSULATOR BUSHING.

Question 29

What is a Panel Fastener Insert?

Accepted Answer

A Panel Fastener Insert (INSERT,PANEL FASTENER) is an insert which must have a hole that may be internally threaded with a flange on one end. It may have an undercut on the end opposite the flange to provide a shoulder to allow for mating with another insert. Pre-assembled items will consist of an expansion sleeve and a body which may be flared. Internally threaded items may have a self-locking feature. Excludes INSERT, SCREW THREAD.

Question 30

What is a Ribbed Trim Fastener?

Accepted Answer

A Ribbed Trim Fastener (FASTENER,TRIM,RIBBED) is a headed fastening device, designed to fasten a panel or the like to another surface by means of curved flexible ribs along the barrel that provide for holding. Excludes BUTTON, PLUG.

Question 31

What is a Fastener Parts Kit?

Accepted Answer

A Fastener Parts Kit (PARTS KIT,FASTENER) is a parts kit consisting of one or more fasteners, such as bolts, screws, pins and the like. It may include nuts, washers, spacers and similar fastener components.

Question 32

What is a Turnlock Fastener Assembly?

Accepted Answer

A Turnlock Fastener Assembly (FASTENER ASSEMBLY,TURNLOCK) is an item consisting of a STUD, TURNLOCK FASTENER or a STUD ASSEMBLY, TURNLOCK FASTENER and a RECEPTACLE, TURNLOCK FASTENER. It is designed to provide a means for securely locking two items together and allow for quick locking or unlocking action.

Fastening Devices - United Kingdom (UK)

Federal Supply Class (FSC): 5325

NATO Supply Classification Class (NSC): 5325

Federal Supply Group (FSG): 53 Hardware and Abrasives

NATO Supply Classification Group (NSG): 53 Hardware and Abrasives

Items Managed by United Kingdom (UK) - NCB is 99

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NSN Format for Fastening Devices
Codified by United Kingdom

Frequently Asked Questions(FAQ) for Federal Supply Class 5325

Supply Items Included in Federal Supply Class 5325

Stock Items From Supply Class 5325 Page 1 of 39