Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-491-4872 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.

Part Alternates: MS141016K, MS14101-6K, 3120-01-491-4872, 01-491-4872, 3120014914872, 014914872

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 23 OCT 2001 01-491-4872

Drawings & Photos | NSN 3120-01-491-4872


Demand History | NSN 3120-01-491-4872

Part Number Request Date QTY Origin
3120-01-491-4872 2025-11-324 52 DIBBS
3120-01-491-4872 2025-01-30 1 Australia
3120-01-491-4872 2024-07-193 122 DIBBS
3120-01-491-4872 2024-03-84 50000 DIBBS
3120-01-491-4872 2023-05-150 150 United States
MS141016K 2022-08-216 1 CO
3120-01-491-4872 2022-03-75 4 US
3120-01-491-4872 2019-04-98 40 US
MS141016K 2019-01-09 5 Canada
3120-01-491-4872 2018-07-197 150 UK
3120-01-491-4872 2018-07-197 150 UK
3120-01-491-4872 2014-01-25 2 MX

Cross Reference | NSN 3120-01-491-4872

Part Number Cage Code Manufacturer
MS14101-6K 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 3120-01-491-4872

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT ANODIZE INNER MEMBER
STYLE DESIGNATOR 10A WITH INSERT AND/OR LINER WITH STAKING GROOVE
BORE DIAMETER 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM
INNER MEMBER WIDTH 0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM
SPECIAL FEATURES LOW BREAK-AWAY TORQUE
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS14101-6K

Restrictions/Controls & Freight Information | NSN 3120-01-491-4872

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information