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 | Abb Kent Taylor Inc, National Aerospace Standards Com, Sargent Aerospace, Defense Reduction Agency, Finmeccanica Spa Helicopters, Pilatus Aircraft Ltd, Military Standards Corp, Inspektorat Wsparcia Sil Zbrojnych |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| BC22P301 | abb kent taylor inc | washer recessed | RFQ |
| NAS143-4C | national aerospace standards com | washer recessed | RFQ |
| 21317 FIND 41 | sargent aerospace | washer recessed | RFQ |
| 21342 FIND 45 | sargent aerospace | washer recessed | RFQ |
| 851629-00 | defense reduction agency | washer recessed | RFQ |
| 21170-48 | sargent aerospace | washer recessed | RFQ |
| MS20002C4 | finmeccanica spa helicopters | washer recessed | RFQ |
| 938.75.11.101 | pilatus aircraft ltd | washer recessed | RFQ |
| 21110 FIND 41 | sargent aerospace | washer recessed | RFQ |
| 143-4C | national aerospace standards com | washer recessed | RFQ |
| 21835 FIND 52 | sargent aerospace | washer recessed | RFQ |
| MS20002C4 | military standards corp | washer recessed | RFQ |
| 5310PL0724759 | inspektorat wsparcia sil zbrojnych | washer recessed | RFQ |
| 52103 FIND 52 | sargent aerospace | washer recessed | RFQ |
| 21808 FIND 27 | sargent aerospace | washer recessed | RFQ |
| MS20002C4 | national aerospace standards com | 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 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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