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National Stock Number:
3120-01-293-5554
Federal Supply Class:
3120
National Item Identification Number:
012935554
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:
| 12801-1 | 08484 | BREEZE-EASTERN LLC |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | CASEHARDENING INDICATOR | CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. BY 45 DEG CHAMFER | | FACE WIDTH | 1.474 INCHES MINIMUM AND 1.484 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000, CLASS 4340 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP E4340 | | METALLIC HARDNESS RATING | 50.0 MINIMUM ROCKWELL C AND 54.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN |
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