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National Stock Number:
3120-01-254-8343
Federal Supply Class:
3120
National Item Identification Number:
012548343
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:
| 787AS739 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BORE INSIDE DIAMETER | 1.028 INCHES MINIMUM AND 1.038 INCHES MAXIMUM | | BORE LENGTH | 2.400 INCHES NOMINAL | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 2.030 INCHES NOMINAL | | FLANGE WIDTH | 0.185 INCHES NOMINAL | | OUTSIDE DIAMETER | 5.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108, ALLOY 1010 TO 1020 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL ALLOY | | STYLE DESIGNATOR | PLAIN, FLANGED FACE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TYPE 4,SC 4 ASSN STD ALL TREATMENT RESPONSES | | SURFACE TREATMENT | ZINC AND PHOSPHATE |
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