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National Stock Number: 3120-01-162-2860
Federal Supply Class: 3120
National Item Identification Number: 011622860
Description: ROLLER,LINEAR-ROTARY MOTION
Detail: 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.
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Manufacturer Information:
187933 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. | 187956 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. | 2859952 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
BORE INSIDE DIAMETER | 0.439 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | CASEHARDENING INDICATOR | NOT CASEHARDENED | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.025 IN. MIN AND 0.040 IN. MAX RADIUS | FACE WIDTH | 0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM | OUTSIDE DIAMETER | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-530,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE | MATERIAL | COPPER ALLOY 172 | METALLIC HARDNESS RATING | 38.0 MINIMUM ROCKWELL C AND 42.0 MAXIMUM ROCKWELL C | SPECIAL FEATURES | BORE SURFACE TO BE 63 MICROINCH FINISH | STYLE DESIGNATOR | PLAIN | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE | SURFACE TREATMENT | OXIDE | TEST DATA DOCUMENT | 81349-MIL-I-6866 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
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