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National Stock Number:
3120-00-179-7128
Federal Supply Class:
3120
National Item Identification Number:
001797128
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:
| 3120001797128 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 3120001797128 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8734034 | 19200 | US ARMY ARDEC RDECOM | | 8734034 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8734034 | D5589 | FEINMECHANISCHE WERKE MAINZ GMBH | | 8734034 | D9893 | LIEBHERR-AEROSPACE LINDENBERG GMBH |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF INSIDE CORNER | 0.296 IN.RADIUS | | FACE WIDTH | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL | STEEL AND STEEL CORROSION RESISTING | | METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN |
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