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) | 01-344-0631 (013440631) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, A M Machine Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 0.625 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.130 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.219 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 100.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | WASHER IS TAPERED ALONG LENGTH |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5310-01-344-0631, 5310013440631 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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