AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-509-2129 (005092129) |
| NCB Code | USA (00) |
| Manufacturer | Napco International Llc, Schwitzer Engine Components, Engineered Electric Company, Fairbanks Morse Llc, Coltec Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.817 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.434 INCHES MINIMUM AND 1.454 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.228 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | ONE INTERNAL KEY WIDTH 0.234 AND LENGTH 0.125 |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-509-2129, 5310005092129 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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