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National Stock Number:
3120-00-192-3897
Federal Supply Class:
3120
National Item Identification Number:
001923897
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:
| 140-17210 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.193 INCHES NOMINAL | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.725 INCHES MINIMUM AND 0.735 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626, COMP 4140, COND C4 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 43.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN |
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