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National Stock Number:
3120-01-309-8767
Federal Supply Class:
3120
National Item Identification Number:
013098767
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:
| 123-5766744 ITEM 32 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5766744 ITEM 32 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 5766744-0032 | 96169 | ELECTRIC BOAT CORPORATION | | 87434-2514 ITEM 32 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BORE LENGTH | 1.2500 INCHES NOMINAL | | BORE INSIDE DIAMETER | 0.5000 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.12 IN. RADIUS | | FACE WIDTH | 0.8440 INCHES NOMINAL | | HUB DIAMETER | 2.9900 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYETHYLENE | | OUTSIDE DIAMETER | 3.1250 INCHES NOMINAL | | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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