NSN 3120-01-131-0721
Part Details | LINEAR-ROTARY MOTION ROLLER
3120-01-131-0721 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: 196B8499, 3120-01-131-0721, 01-131-0721, 3120011310721, 011310721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | MAY 04, 1982 | 01-131-0721 | 28215 ( ROLLER, LINEAR-ROTARY MOTION ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3120-01-131-0721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 196B8499 | 05606 | GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON) |
Technical Data | NSN 3120-01-131-0721
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| METALLIC HARDNESS RATING | BRS87.0 MINIMUM AND CRS89.0 MAXIMUM |
| CASEHARDENING INDICATOR | CASEHARDENED |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 1.540 INCHES MINIMUM AND 1.542 INCHES MAXIMUM |
| FACE WIDTH | 0.342 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| BORE INSIDE DIAMETER | 0.3123 INCHES MINIMUM AND 0.3133 INCHES MAXIMUM |
| CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN. RADIUS |
| SPECIAL FEATURES | SILVER COAT 0.0002 TO 0.0004 IN. THK PER MIL-STD-171 |