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National Stock Number:
3120-01-494-9220
Federal Supply Class:
3120
National Item Identification Number:
014949220
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:
| 12479776 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.877 INCHES MINIMUM AND 0.887 INCHES MAXIMUM | | CASEHARDENING INDICATOR | CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.250 IN. RADIUS | | FACE WIDTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | MATERIAL | IRON ALLOY | | OUTSIDE DIAMETER | 1.931 INCHES MINIMUM AND 1.945 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ROLLER, ASTER | | STYLE DESIGNATOR | PLAIN |
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