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) | 00-595-7078 (005957078) |
| NCB Code | USA (00) |
| Manufacturer | Sargent Aerospace, Leonardo Mw Ltd, Finmeccanica Spa Helicopters, National Aerospace Standards Com, Inspektorat Wsparcia Sil Zbrojnych, Eca Etablissement Central Des, Pilatus Aircraft Ltd, Defense Reduction Agency, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 21816-001 FIND 38 | sargent aerospace | washer recessed | RFQ |
| 21817 FIND 32 | sargent aerospace | washer recessed | RFQ |
| 21170-49 | sargent aerospace | washer recessed | RFQ |
| 21837 FIND 43 | sargent aerospace | washer recessed | RFQ |
| MS20002C5 | leonardo mw ltd | washer recessed | RFQ |
| 52122 FIND 53 | sargent aerospace | washer recessed | RFQ |
| 21340 FIND 34 | sargent aerospace | washer recessed | RFQ |
| 21331 FIND 29 | sargent aerospace | washer recessed | RFQ |
| 21140-33 | sargent aerospace | washer recessed | RFQ |
| MS20002C5 | finmeccanica spa helicopters | washer recessed | RFQ |
| 21835 FIND 49 | sargent aerospace | washer recessed | RFQ |
| 21342 FIND 46 | sargent aerospace | washer recessed | RFQ |
| 52103 FIND 53 | sargent aerospace | washer recessed | RFQ |
| NASM20002-C5 | national aerospace standards com | washer recessed | RFQ |
| 5310PL0724754 | inspektorat wsparcia sil zbrojnych | washer recessed | RFQ |
| MS20002C5 | national aerospace standards com | washer recessed | RFQ |
| 21073 FIND 29 | sargent aerospace | washer recessed | RFQ |
| 21820 FIND 39 | sargent aerospace | washer recessed | RFQ |
| 5310005957078 | eca etablissement central des | washer recessed | RFQ |
| 938.75.11.102 | pilatus aircraft ltd | washer recessed | RFQ |
| 809085-00 | defense reduction agency | washer recessed | RFQ |
| MS20002C5 | military standards corp | washer recessed | RFQ |
| NAS143-5C | national aerospace standards com | washer recessed | RFQ |
| 21317 FIND 42 | sargent aerospace | washer recessed | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.396 INCHES MINIMUM AND 0.406 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 OR STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS143 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5310-00-595-7078, 5310005957078 | ||||
| 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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