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) | 00-596-1766 (005961766) |
| NCB Code | USA (00) |
| Manufacturer | Sargent Aerospace, Military Standards Corp, National Aerospace Standards Com, Pilatus Aircraft Ltd, Inspektorat Wsparcia Sil Zbrojnych, Defense Reduction Agency, Abb Kent Taylor Inc, Finmeccanica Spa Helicopters |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 21317 FIND 41 | sargent aerospace | washer recessed | RFQ |
| MS20002C4 | military standards corp | washer recessed | RFQ |
| 143-4C | national aerospace standards com | washer recessed | RFQ |
| MS20002C4 | national aerospace standards com | washer recessed | RFQ |
| 52103 FIND 52 | sargent aerospace | washer recessed | RFQ |
| 21170-48 | sargent aerospace | washer recessed | RFQ |
| 21342 FIND 45 | sargent aerospace | washer recessed | RFQ |
| 938.75.11.101 | pilatus aircraft ltd | washer recessed | RFQ |
| 21110 FIND 41 | sargent aerospace | washer recessed | RFQ |
| 5310PL0724759 | inspektorat wsparcia sil zbrojnych | washer recessed | RFQ |
| 21835 FIND 52 | sargent aerospace | washer recessed | RFQ |
| 851629-00 | defense reduction agency | washer recessed | RFQ |
| BC22P301 | abb kent taylor inc | washer recessed | RFQ |
| NAS143-4C | national aerospace standards com | washer recessed | RFQ |
| 21808 FIND 27 | sargent aerospace | washer recessed | RFQ |
| MS20002C4 | finmeccanica spa helicopters | washer recessed | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1330 OVERALL OR STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-596-1766, 5310005961766 | ||||
| 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) | |
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