3120-01-308-4864 BEARING,PLAIN,SELF-ALIGNING Index 4820-01-308-4866 VALVE,CHECK

National Stock Number:
3120-01-308-4865

Federal Supply Class:
3120

National Item Identification Number:
013084865

Description:
BEARING,PLAIN,SELF-ALIGNING

Detail:
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.


Manufacturer Information:
MS21154S396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL OVERALL
STYLE DESIGNATORWITHOUT INSERT OR LINER WITH STAKING GROOVE
HARDNESS RATING56.0 ROCKWELL C MINIMUM INNER MEMBER
27.0 ROCKWELL C MINIMUM AND
36.0 ROCKWELL C MAXIMUM BODY
SURFACE TREATMENTCHROMATE INNER MEMBER
CADMIUM BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYP II,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE BODY
BORE DIAMETER0.1895 INCHES MINIMUM AND
0.1900 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER0.5620 INCHES MINIMUM AND
0.5625 INCHES MAXIMUM
OUTER MEMBER WIDTH0.2130 INCHES MINIMUM AND
0.2230 INCHES MAXIMUM
INNER MEMBER WIDTH0.2790 INCHES MINIMUM AND
0.2810 INCHES MAXIMUM
LUBRICATION MATERIALGREASE, MIL-G-21164
STATIC RADIAL LOAD RATING4600 POUNDS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS21154S3


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