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National Stock Number: 3120-00-977-3142
Federal Supply Class: 3120
National Item Identification Number: 009773142
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:
128LM10062-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 128LM10062-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
BORE LENGTH | 0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM | BORE INSIDE DIAMETER | 0.4997 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM | CASEHARDENING INDICATOR | NOT CASEHARDENED | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. RADIUS | CRITICALITY CODE JUSTIFICATION | BCXD | FACE WIDTH | 0.408 INCHES MINIMUM AND 0.413 INCHES MAXIMUM | HUB DIAMETER | 0.687 INCHES NOMINAL | OUTSIDE DIAMETER | 0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE | MATERIAL | STEEL COMP E4340 | METALLIC HARDNESS RATING | 39.0 MINIMUM ROCKWELL C AND 42.0 MAXIMUM ROCKWELL C | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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