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National Stock Number:
3120-00-868-0623
Federal Supply Class:
3120
National Item Identification Number:
008680623
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:
| A51G20519-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51G20519-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51G20519-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 39.0 MINIMUM ROCKWELL C AND 42.0 MAXIMUM ROCKWELL C | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMIUM |
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