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National Stock Number:
3120-01-172-5651
Federal Supply Class:
3120
National Item Identification Number:
011725651
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:
| 3275953 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. CHAMFER BY 45 DEG | | FACE WIDTH | 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.1830 INCHES MINIMUM AND 1.1930 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | FSCM 10001 MFR REF 1ST MATERIAL RESPONSE OR ASTM A322 4140 FSCM 10001 ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | METALLIC HARDNESS RATING | 27.0 MINIMUM ROCKWELL C AND 31.0 MAXIMUM ROCKWELL C | | OIL HOLE DIAMETER | 0.0940 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN W/OIL HOLE (S) |
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