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National Stock Number:
3120-01-487-1663
Federal Supply Class:
3120
National Item Identification Number:
014871663
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:
| 122-7312139 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-7312139 PC 8 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BORE INSIDE DIAMETER | 3.374 INCHES MINIMUM AND 3.375 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.250 IN. RADIUS | | FACE WIDTH | 6.677 INCHES MINIMUM AND 6.697 INCHES MAXIMUM | | OUTSIDE DIAMETER | 12.000 INCHES NOMINAL | | MATERIAL | STEEL | | STYLE DESIGNATOR | PLAIN |
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