Bearings, Plain, Unmounted - United States (US)

Federal Supply Class (FSC): 3120

NATO Supply Classification Class (NSC): 3120

Federal Supply Group (FSG): 31 Bearings

NATO Supply Classification Group (NSG): 31 Bearings

Items Managed by United States (US) - NCB is 00 to 09

Page 12 of 345

NSN Format for Bearings, Plain, Unmounted
Codified by United States

312001XXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN

NATO Supply Class 3120 refers to Bearings, Plain, Unmounted. This class is a part of NATO Supply Group 31, which is specifically dedicated to Bearings.

Bearings are mechanical components that are used to reduce friction between moving parts and support rotational or linear motion. They are commonly used in various industries such as automotive, aerospace, machinery, and more.

The NATO Supply Class 3120 includes plain bearings that are unmounted. Plain bearings, also known as sleeve bearings or bushings, are the simplest type of bearings. They consist of a cylindrical sleeve made of a low-friction material, such as bronze or plastic, which provides a smooth surface for the rotating shaft to slide against.

These unmounted plain bearings are typically used in applications where the shaft is stationary, and the bearing is mounted in a housing or support structure. They are designed to handle radial loads, which are forces acting perpendicular to the shaft's axis.

NATO Supply Class 3120 for Bearings, Plain, Unmounted encompasses a wide range of sizes, materials, and designs to accommodate different applications and operating conditions. It is important to select the appropriate bearing based on factors such as load capacity, speed, temperature, and environmental conditions.

When procuring bearings within this NATO Supply Class, it is essential to ensure compliance with NATO standards and specifications to maintain interoperability and compatibility within the NATO supply chain.

Overall, NATO Supply Class 3120 for Bearings, Plain, Unmounted plays a crucial role in the NATO Supply Group 31 for Bearings, providing the necessary components for various mechanical systems and equipment.

FSC 3120 Bearings, Plain, Unmounted - United States (US)
FSC 3120 Bearings, Plain, Unmounted - United States (US)

Includes Sleeve Bearings; Split Bearings; Washer Type Bearings; Jewel Bearings.

Excludes Antifriction Bearings (FSC 3110); Mounted Bearings (FSC 3130).

Note-All bearings, including specially designed, lubricated, and/or selected, are to be classified in the appropriate classes of this group. Bearings are parts that supports another part which rotates, slides, or oscillates in or on it.

Frequently Asked Questions(FAQ) for Federal Supply Class 3120 Frequently Asked Questions(FAQ) for Federal Supply Class 3120

What is Federal Supply Class 3120?
FSC 3120 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 3120) in the USA for supply items codified in the category of Bearings, Plain, Unmounted.
What is NATO Supply Classification Class 3120?
NSC 3120 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 3120 in the USA) for supply items codified in the category of Bearings, Plain, Unmounted.
Which Federal Supply Group is FSC 3120 in?
FSC 3120 is in Federal Supply Group (FSG) 31 which contains Bearings.
Which NATO Supply Classification Group is NSC 3120 in?
NSC 3120 is in NATO Supply Classification Group (NSG) 31 which contains Bearings.

Supply Items Included in Federal Supply Class 3120 Supply Items Included in Federal Supply Class 3120

What is a Spherical Plain Bearing? 1111 Items
A Spherical Plain Bearing (BEARING,PLAIN,SPHERICAL) is a detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes BEARING, PLAIN, SELF-ALIGNING.
What is a Sleeve Bearing? 30069 Items
A Sleeve Bearing (BEARING,SLEEVE) is a tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.
What is a Sleeve Bushing? 47513 Items
A Sleeve Bushing (BUSHING,SLEEVE) is a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see BUSHING, NONMETALLIC. See also BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; and BUSHING, ELECTRICAL CONDUCTOR. Excludes BUSHING, DRILL, JIG.
What is a Self-Aligning Plain Bearing? 2598 Items
A Self-Aligning Plain Bearing (BEARING,PLAIN,SELF-ALIGNING) is a detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.
What is a Rod End Plain Bearing? 3410 Items
A Rod End Plain Bearing (BEARING,PLAIN,ROD END) is a detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.
What is a Railway Axle Plain Bearing? 13 Items
A Railway Axle Plain Bearing (BEARING,PLAIN,RAILWAY AXLE) is a block of brass or bronze lined with antifriction metal, which serves as a bearing surface, carrying the weight of the railway car and resting on the axle journal.
What is a Thrust Washer Bearing? 8352 Items
A Thrust Washer Bearing (BEARING,WASHER,THRUST) is an item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
What is a V Bearing? 34 Items
A V Bearing (BEARING,V) is a cylindrical device, primarily designed to furnish a bearing surface for a low-speed oscillating shaft. The item consists of a precision machined or inclosed V or modified V groove and may include a drilled hole for spring loading.
What is a Sleeve Bearing Blank? 101 Items
A Sleeve Bearing Blank (BEARING BLANK,SLEEVE) is an item usually cylindrically shaped with or without a flange. It is designed to be drilled after installation and used as a BEARING, SLEEVE. Excludes items in bulk form. See also BUSHING BLANK.
What is a Sleeve Bearing Half Set? 495 Items
A Sleeve Bearing Half Set (BEARING HALF SET,SLEEVE) is two or more identical or different sizes or types of BEARING HALF, SLEEVE packaged or grouped together for single issue as a unit, for replacement of worn and/or damaged bearings. See BEARING HALF, SLEEVE. Excludes BEARING SET, SLEEVE.
What is a Sleeve Bearing Set? 765 Items
A Sleeve Bearing Set (BEARING SET,SLEEVE) is two or more identical or different sizes or types of BEARING, SLEEVE packaged or grouped together for single issue as a unit, for replacement of worn and/or damaged bearings. See BEARING, SLEEVE. Excludes BEARING HALF SET, SLEEVE.
What is a Sleeve Bearing Half? 1538 Items
A Sleeve Bearing Half (BEARING HALF,SLEEVE) is a half of a two-piece split type BEARING, SLEEVE.
What is a Linear-Rotary Motion Roller? 1431 Items
A Linear-Rotary Motion Roller (ROLLER,LINEAR-ROTARY MOTION) is a cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.
What is a Mechanical Equipment Bearing Replacement Parts Kit? 501 Items
A Mechanical Equipment Bearing Replacement Parts Kit (PARTS KIT,BEARING REPLACEMENT,MECHANICAL EQUIPMENT) is a parts kit consisting of one or more bearings or bearing assemblies, which are issued as a unit for repair/replacement. It may include gasket(s), O-ring(s), race(s), seal(s), spacer(s), washer(s), or the like.
What is a Track Roller Plain Bearing? 68 Items
A Track Roller Plain Bearing (BEARING,PLAIN,TRACK ROLLER) is a detachable assembly consisting of an outer and inner ring, designed for use in a track roller or similar application. It is used to carry a load and reduce sliding friction. It does not employ rolling elements, but may incorporate non-metallic liners or sleeves to aid in reducing friction and/or providing lubrication. See also BEARING, BALL, TRACK ROLLER; and BEARING, ROLLER, TRACK ROLLER. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.
What is a Cam Follower Plain Bearing? 74 Items
A Cam Follower Plain Bearing (BEARING,PLAIN,CAM FOLLOWER) is a detachable assembly, which provides rolling contact with a cam or similar device, and converts reciprocating or oscillating motion to linear motion. The assembly consists of an outer ring and and integral stud. It does not employ rolling elements but may incorporate nonmetallic liners or sleeves to aid in reducing friction and/or providing lubrication. See also CAM FOLLOWER, NEEDLE BEARING.
What is a Jewel Bearing? 37 Items
A Jewel Bearing (BEARING,JEWEL) is an item generally round in shape and usually having a centrally located hole. It has at least one flat bearing surface. It is made of precious or semi-precious gem (ruby, sapphire and the like), natural or synthetic. It is intended for use in precision instruments, meters, timing devices, clocks, and the like.
What is a Thrust Washer Bearing Half? 99 Items
A Thrust Washer Bearing Half (BEARING HALF,WASHER,THRUST) is a half of a two-piece BEARING, WASHER, THRUST.
What is a Thrust Washer Bearing Set? 22 Items
A Thrust Washer Bearing Set (BEARING SET,WASHER,THRUST) is a collection of identical or similar BEARING, WASHER, THRUST designed to be used for replacement of worn and/or damaged washers. Excludes WASHER ASSORTMENT.
What is a Stern Tube Bearing Assembly? 33 Items
A Stern Tube Bearing Assembly (BEARING ASSEMBLY,STERN TUBE) is an assembly consisting of staves, anode, bearing, housing and the like. It supports a rotating propulsion shaft.
What is a Sleeve Bushing Half? 119 Items
A Sleeve Bushing Half (BUSHING HALF,SLEEVE) is a half of a two piece split type BUSHING, SLEEVE.

Stock Items From Supply Class 3120 Stock Items From Supply Class 3120 Page 12 of 345

012523185
5029216-094-1
RNCC: 3 | RNVC: 2
012521630
KST103299V
RNCC: 3 | RNVC: 2
KST103299V
RNCC: 3 | RNVC: 2
312-81393-527
RNCC: 5 | RNVC: 2
012520511
LD131-0023-1005
RNCC: 3 | RNVC: 2
012520506
0070039400
RNCC: 3 | RNVC: 2
70039400
RNCC: 3 | RNVC: 2
012517604
KJB226106B
RNCC: 3 | RNVC: 2
012511678
1330-01020-01
RNCC: 3 | RNVC: 2
012510957
8503629-001
RNCC: 3 | RNVC: 2
012509609
C-Z06571 NO. 4
RNCC: 3 | RNVC: 2
Z06442
RNCC: 5 | RNVC: 2
012504108
2070-96 ITEM 12
RNCC: 3 | RNVC: 1
2070-96 ITEM 12Q4
RNCC: 5 | RNVC: 2
012503197
AS128
RNCC: 3 | RNVC: 2
012500943
2M1157
RNCC: 3 | RNVC: 2
012499683
2808330-2
RNCC: 3 | RNVC: 2
012498658
3W21253-101
RNCC: 3 | RNVC: 2
012494464
06348
RNCC: 3 | RNVC: 2
06004
RNCC: 5 | RNVC: 9
012494304
615NBGWA86TBLDNV-35
RNCC: 3 | RNVC: 2
615NBGWA86TBLDNV-35
RNCC: 5 | RNVC: 9
012493107
8502625
RNCC: 3 | RNVC: 2
012492233
7-110-G-2
RNCC: 3 | RNVC: 1
1344A-2-G2PC13
RNCC: 5 | RNVC: 1
1344AQ-2-G2PC12
RNCC: 5 | RNVC: 1
012491964
302428
RNCC: 3 | RNVC: 2
012488429
TL2438
RNCC: 3 | RNVC: 2
012484430
113032
RNCC: 3 | RNVC: 2
012483312
PLCB96-40001-10 ITEM 078
RNCC: 3 | RNVC: 1
HD6-904H
RNCC: 5 | RNVC: 1
012481723
109525
RNCC: 3 | RNVC: 2
012480477
DGR395H0002
RNCC: 3 | RNVC: 1
DGR4350B PT15
RNCC: 5 | RNVC: 1
DGR4350C PT18
RNCC: 5 | RNVC: 1
DGR395H0002VM
RNCC: 5 | RNVC: 2
DGR4350B PT15VM
RNCC: 5 | RNVC: 2
DGR4350C PT18VM
RNCC: 5 | RNVC: 2
012478542
23011621
RNCC: 3 | RNVC: 2
012478002
13176-1/2NB3-105SA
RNCC: 3 | RNVC: 1
8103-48
RNCC: 5 | RNVC: 1
012477999
PLCB96-40001-10 ITEM 088
RNCC: 3 | RNVC: 1
HD6-376T
RNCC: 5 | RNVC: 1
012478000
HD6-910H
RNCC: 3 | RNVC: 1
PLCB96-40001-10 ITEM 075
RNCC: 5 | RNVC: 1
012478001
8275-1/2NB3-32
RNCC: 3 | RNVC: 1
8103-22
RNCC: 5 | RNVC: 1
012476906
ADN3-338
RNCC: 3 | RNVC: 2
131830-1
RNCC: 7 | RNVC: 2
012472854
5343971-0008
RNCC: 3 | RNVC: 1
709-5486669 ITEM 154
RNCC: 5 | RNVC: 1
709-5486669 ITEM 154
RNCC: 5 | RNVC: 1
709-5343971 ITEM 008
RNCC: 5 | RNVC: 1
709-5343971 PIECE 8
RNCC: 5 | RNVC: 1
56-10-4053
RNCC: 5 | RNVC: 1
5343971-0008D7
RNCC: 5 | RNVC: 2
56-10-4053D7
RNCC: 5 | RNVC: 2
709-5343971 ITEM 008D7
RNCC: 5 | RNVC: 2
709-5343971 PIECE 8D7
RNCC: 5 | RNVC: 2
012471705
C-7204
RNCC: 3 | RNVC: 1
012469758
40816-1
RNCC: 3 | RNVC: 2
012465902
2309120
RNCC: 1 | RNVC: 2
CD1-3-SS
RNCC: 3 | RNVC: 2
2309120
RNCC: 5 | RNVC: 9
012462639
27-57
RNCC: 3 | RNVC: 9
012462095
96040015
RNCC: 3 | RNVC: 2
012462094
96040011
RNCC: 3 | RNVC: 2
012462093
96040013
RNCC: 3 | RNVC: 2
012457692
65130-07401-049
RNCC: 3 | RNVC: 2
012457252
746346-2
RNCC: 3 | RNVC: 2
738451
RNCC: 5 | RNVC: 9
012456033
7821/13043
RNCC: 3 | RNVC: 2
7821/13043
RNCC: 5 | RNVC: 9
7821/13043
RNCC: 5 | RNVC: 9
012454272
7821/11849
RNCC: 3 | RNVC: 2
7821/11849
RNCC: 5 | RNVC: 9
7821/11849
RNCC: 5 | RNVC: 9
012452454
7821/11847
RNCC: 3 | RNVC: 2
7821/11847
RNCC: 5 | RNVC: 9
7821/11847
RNCC: 5 | RNVC: 9
012452452
782/11846
RNCC: 3 | RNVC: 2
782/11846
RNCC: 5 | RNVC: 9
782/11846
RNCC: 5 | RNVC: 9
012450123
782/14211
RNCC: 3 | RNVC: 2
782/14211
RNCC: 5 | RNVC: 9
782/14211
RNCC: 5 | RNVC: 9
012450122
7821/11846
RNCC: 3 | RNVC: 2
7821/11846
RNCC: 5 | RNVC: 9
7821/11846
RNCC: 5 | RNVC: 9
012448775
3901152
RNCC: 3 | RNVC: 2
3929023
RNCC: 3 | RNVC: 2
012445980
4199927205
RNCC: 3 | RNVC: 2
012444588
5000427 ITEM 6C
RNCC: 3 | RNVC: 9
012438957
901717
RNCC: 3 | RNVC: 2
012436232
201261-001
RNCC: 3 | RNVC: 2
201261-1
RNCC: 5 | RNVC: 9
012431378
LD131-0031-0608
RNCC: 3 | RNVC: 2
012430132
5191087
RNCC: 3 | RNVC: 2
012427038
4793-F PIECE 23
RNCC: 3 | RNVC: 2
012424162
709-5343971 ITEM 5
RNCC: 3 | RNVC: 2
5343971-0005A
RNCC: 5 | RNVC: 9
012423169
12232-36-57
RNCC: 3 | RNVC: 9
012420823
D124852
RNCC: 3 | RNVC: 2
D124852
RNCC: 5 | RNVC: 2
012416498
LD131-0029-0983
RNCC: 3 | RNVC: 2
012416500
D91241
RNCC: 3 | RNVC: 2
D91241
RNCC: 5 | RNVC: 2
012414081
1408-0033
RNCC: 3 | RNVC: 1
VTS450/PC13,15
RNCC: 5 | RNVC: 1
012412860
919906
RNCC: 3 | RNVC: 2
20787 SEQUENCE 109.1
RNCC: 5 | RNVC: 2
012411150
NS2003-11
RNCC: 3 | RNVC: 1
NS3980 PC 11
RNCC: 5 | RNVC: 1
NS3980PC11,1.500IN
RNCC: 5 | RNVC: 1
012410865
P-440C-0.1668-5/16-1/2
RNCC: 3 | RNVC: 2
L308002751
RNCC: 7 | RNVC: 2
012408681
1658-013
RNCC: 3 | RNVC: 9
1658-013
RNCC: 5 | RNVC: 2
1658-013
RNCC: 5 | RNVC: 9
012402593
438169
RNCC: 3 | RNVC: 9
012398723
DN0569
RNCC: 3 | RNVC: 9
DN0569
RNCC: 5 | RNVC: 9
012396471
4028346
RNCC: 3 | RNVC: 2
012396474
12S1765-23
RNCC: 3 | RNVC: 2
012396198
154480
RNCC: 3 | RNVC: 2
D63774
RNCC: 5 | RNVC: 9
012396200
66100
RNCC: 3 | RNVC: 2
D66100
RNCC: 5 | RNVC: 9
012396196
D62564
RNCC: 3 | RNVC: 2
012396199
65988
RNCC: 3 | RNVC: 2
H65988
RNCC: 5 | RNVC: 9
012396197
63160
RNCC: 3 | RNVC: 2
D63160
RNCC: 5 | RNVC: 9
012394429
BHS-38658
RNCC: 3 | RNVC: 2
012392069
820-2179273-1
RNCC: 3 | RNVC: 1
820-5348584-54
RNCC: 5 | RNVC: 1
820-5348629-54
RNCC: 5 | RNVC: 1
012392068
820-2179274-1
RNCC: 3 | RNVC: 1
820-5348584-52
RNCC: 5 | RNVC: 1
820-5348629-52
RNCC: 5 | RNVC: 1
012391511
CR10M-87
RNCC: 3 | RNVC: 2
EL-263-5 PIECE 87
RNCC: 5 | RNVC: 2
012390889
M16HD107
RNCC: 3 | RNVC: 2
2DS655
RNCC: 5 | RNVC: 2
2DS655
RNCC: 5 | RNVC: 9
M16HD107
RNCC: 5 | RNVC: 9
M16HD107
RNCC: 5 | RNVC: 9
M16HD101
RNCC: 5 | RNVC: 9
012390033
108872
RNCC: 3 | RNVC: 2
D108872
RNCC: 5 | RNVC: 9
012387554
76266
RNCC: 3 | RNVC: 2
D76266
RNCC: 5 | RNVC: 9
012387553
76216
RNCC: 3 | RNVC: 2
D76216
RNCC: 5 | RNVC: 9
012387551
79604
RNCC: 3 | RNVC: 2
D79604
RNCC: 5 | RNVC: 9
012387550
76265
RNCC: 3 | RNVC: 2
D76265
RNCC: 5 | RNVC: 9
012385934
1242920050
RNCC: 3 | RNVC: 2
1102910550
RNCC: 5 | RNVC: 2
1102910550
RNCC: 5 | RNVC: 9
012385187
70489
RNCC: 3 | RNVC: 2
AH70489
RNCC: 5 | RNVC: 9
012385141
74455
RNCC: 3 | RNVC: 2
D74455
RNCC: 5 | RNVC: 9
012385138
43746
RNCC: 3 | RNVC: 2
D73318
RNCC: 5 | RNVC: 9
012385140
73101
RNCC: 3 | RNVC: 2
D73101
RNCC: 5 | RNVC: 9
012385136
71370
RNCC: 3 | RNVC: 2
D71370
RNCC: 5 | RNVC: 9
012385137
71428
RNCC: 3 | RNVC: 2
H71428
RNCC: 5 | RNVC: 9
012385135
70688
RNCC: 3 | RNVC: 2
D70688
RNCC: 5 | RNVC: 9
012381110
63717
RNCC: 3 | RNVC: 2
D63717
RNCC: 5 | RNVC: 9
012381109
60131A
RNCC: 3 | RNVC: 2
H60131A
RNCC: 5 | RNVC: 9
012380973
1075-65G
RNCC: 3 | RNVC: 2
012379252
5W-28829-39
RNCC: 3 | RNVC: 2
5W-28829-39
RNCC: 5 | RNVC: 9
012378618
56957
RNCC: 3 | RNVC: 2
D56957
RNCC: 5 | RNVC: 9
012377669
3520510010
RNCC: 3 | RNVC: 2
3520510010
RNCC: 5 | RNVC: 2
012376888
926B803
RNCC: 3 | RNVC: 1
012376889
926B801
RNCC: 3 | RNVC: 1
012376707
2K5370
RNCC: 3 | RNVC: 2
012376706
3J6576
RNCC: 3 | RNVC: 2
012375676
7H818
RNCC: 3 | RNVC: 2
012373331
1T577
RNCC: 3 | RNVC: 2
012370793
9M3510
RNCC: 3 | RNVC: 2
012370787
3S3967
RNCC: 3 | RNVC: 2
012370790
C-22-22946
RNCC: 3 | RNVC: 2