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National Stock Number:
3120-00-770-8243
Federal Supply Class:
3120
National Item Identification Number:
007708243
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:
| 10873053 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM | | FSC APPLICATION DATA | MACHINE GUN,CAL..50,M19 | | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 88.0 MINIMUM ROCKWELL SUPERFICIAL 15-N AND 91.0 MAXIMUM ROCKWELL SUPERFICIAL 15-N | | STYLE DESIGNATOR | PLAIN |
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