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National Stock Number:
3120-01-282-1105
Federal Supply Class:
3120
National Item Identification Number:
012821105
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:
| 3169968 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | BORE LENGTH | 0.378 INCHES MINIMUM AND 0.386 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.3040 INCHES NOMINAL | | HUB DIAMETER | 0.500 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | METALLIC HARDNESS RATING | 70.0 NOMINAL ROCKWELL B | | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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