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National Stock Number:
3110-00-516-9918
Federal Supply Class:
3110
National Item Identification Number:
005169918
Description:
BALL,BEARING
Detail:
A homogenous spherical body, a series of which provides the rolling elements in a BEARING, BALL (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes BALL, CHECK; BALL, VALVE, PORTED.
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | ROLLING ELEMENT DIAMETER | 0.3125 INCHES NOMINAL | | SPECIAL FEATURES | METALLIC HARDNESS RATING ROCKWELL C NOM 80.5 | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR BALLS, GRADE 5 | | STYLE DESIGNATOR | BALL |
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