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National Stock Number:
3120-01-296-3738
Federal Supply Class:
3120
National Item Identification Number:
012963738
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:
| 5219974-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5219974-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.4684 INCHES MINIMUM AND 0.4691 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF INSIDE CORNER | 0.060 IN. RADIUS | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.060 IN. RADIUS | | FACE WIDTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322, E52100 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP E52100 | | METALLIC HARDNESS RATING | 56.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN |
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