NSN 3120-01-056-2976

Part Details | SELF-ALIGNING PLAIN BEARING

3120-01-056-2976 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.

Alternate Parts: MS21155S6, SAE AS21155, MS21155S6, MS21155-S6, AS21155, 3120-01-056-2976, 01-056-2976, 3120010562976, 010562976

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31FEB 19, 197801-056-297613208 ( BEARING, PLAIN, SELF-ALIGNING )
REFERENCE DRAWINGS & PICTURES

WITHOUT INSERT OR LINER

Cross Reference | NSN 3120-01-056-2976
Part Number Cage Code Manufacturer
MS21155S696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
SAE AS2115581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21155-S681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS2115581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 3120-01-056-2976
Characteristic Specifications
STYLE DESIGNATOR WITHOUT INSERT OR LINER
BORE DIAMETER0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM
OUTER MEMBER WIDTH0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
INNER MEMBER WIDTH0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE, MIL-G-21164