| 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 |
| Components Related to NSN - 5310-00-469-0013, 5310004690013 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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