NSN 3120-00-977-3142
Part Details | LINEAR-ROTARY MOTION ROLLER
3120-00-977-3142 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.
Alternate Parts: 128LM100621, 128LM10062-1, 3120-00-977-3142, 00-977-3142, 3120009773142, 009773142
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JAN 01, 1962 | 00-977-3142 | 28215 ( ROLLER, LINEAR-ROTARY MOTION ) |
REFERENCE DRAWINGS & PICTURES
PLAIN, PROTRUDING HUBS
Cross Reference | NSN 3120-00-977-3142
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 128LM10062-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 3120-00-977-3142
| Characteristic | Specifications |
|---|---|
| METALLIC HARDNESS RATING | BRC39.0 MINIMUM AND CRC42.0 MAXIMUM |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
| OUTSIDE DIAMETER | 0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM |
| BORE LENGTH | 0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| FACE WIDTH | 0.408 INCHES MINIMUM AND 0.413 INCHES MAXIMUM |
| BORE INSIDE DIAMETER | 0.4997 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM |
| HUB DIAMETER | 0.687 INCHES NOMINAL |
| CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. RADIUS |
| CRITICALITY CODE JUSTIFICATION | BCXD |