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National Stock Number:
3120-01-303-9734
Federal Supply Class:
3120
National Item Identification Number:
013039734
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:
| 1551AS308-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.050 IN. CHAMFER,40 DEGREES MIN; 50 DEGREES MAX | | FACE WIDTH | 0.7500 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.6200 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | SPECIAL FEATURES | ID HAS A 32 MICROINCH FINISH | | STYLE DESIGNATOR | PLAIN |
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