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National Stock Number:
3120-00-756-5311
Federal Supply Class:
3120
National Item Identification Number:
007565311
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:
| 7791785 | 19200 | US ARMY ARDEC RDECOM | | 7791785 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | COUNTERBORE DEPTH | 0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | FACE WIDTH | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 78.5 MINIMUM ROCKWELL A AND 81.0 MAXIMUM ROCKWELL A | | STYLE DESIGNATOR | PLAIN, COUNTERBORED |
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