NSN 5310-00-521-3781
Part Details | LOCK WASHER
5310-00-521-3781 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
Alternate Parts: S12151003, S12-15-1003, 5310UH190293, 5310-UH19-029-3, 5310-00-521-3781, 00-521-3781, 5310005213781, 005213781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-521-3781 | 14218 ( WASHER, LOCK ) |
REFERENCE DRAWINGS & PICTURES
FLAT EXTERNAL AND INTERNAL TEETH
Cross Reference | NSN 5310-00-521-3781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S12-15-1003 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
| 5310-UH19-029-3 | 81996 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5310-00-521-3781
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | FLAT EXTERNAL AND INTERNAL TEETH |
| HOLE DIAMETER | 1.137 INCHES MINIMUM AND 1.143 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.125 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| HEAT TREATMENT | ANNEALED |