NSN 3120-01-120-0997
Part Details | LINEAR-ROTARY MOTION ROLLER
3120-01-120-0997 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: 196B7504, 10107759, 3120-01-120-0997, 01-120-0997, 3120011200997, 011200997
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | OCT 10, 1981 | 01-120-0997 | 28215 ( ROLLER, LINEAR-ROTARY MOTION ) |
REFERENCE DRAWINGS & PICTURES
PLAIN, COUNTERBORED
Cross Reference | NSN 3120-01-120-0997
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 196B7504 | 05606 | GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON) |
| 10107759 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
Technical Data | NSN 3120-01-120-0997
| Characteristic | Specifications |
|---|---|
| METALLIC HARDNESS RATING | BRC33.0 MINIMUM AND CRC38.0 MAXIMUM |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | PLAIN, COUNTERBORED |
| COUNTERBORE DIAMETER | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| FACE WIDTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| BORE INSIDE DIAMETER | 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| CHAMFER/RADIUS OF OUTSIDE CORNER | 0.020 IN. MIN,0.040 IN. MAX RADIUS |
| SPECIAL FEATURES | BORE INSIDE DIAMETER RELIEVED TO 0.321 IN. MIN,0.343 IN. MAX DIA BY 0.010 IN. MIN,0.020 IN. MAX LENGTH |