| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-469-0013 (004690013) |
| NCB Code | USA (00) |
| Manufacturer | Nato Stock Number Assigned Byanother, Bae Systems Inc, British Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.325 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.510 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.156 INCHES NOMINAL |
| ABLN | MINOR DISTANCE FROM OUTSIDE OF WASHER TO OFF-CENTER KEY | 0.187 INCHES NOMINAL |
| ABLP | MAJOR DISTANCE FROM OUTSIDE OF WASHER TO OFF-CENTER KEY | 0.250 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.069 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.029 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | W/THIRD EXTERNAL KEY LOCATED 90 DEGREES FROM OTHER EXTERNAL KEYS,0.215 IN. WIDE,0.062 IN. LONG |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | PAINT OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-469-0013, 5310004690013 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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