| 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 | National Aerospace Standards Com, Sargent Aerospace, Inspektorat Wsparcia Sil Zbrojnych, Defense Reduction Agency, Pilatus Aircraft Ltd, Abb Kent Taylor Inc, Finmeccanica Spa Helicopters, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 143-4C | national aerospace standards com | washer recessed | 80205 | RFQ |
| 21110 FIND 41 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21170-48 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21317 FIND 41 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21342 FIND 45 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21808 FIND 27 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21835 FIND 52 | sargent aerospace | washer recessed | 78062 | RFQ |
| 52103 FIND 52 | sargent aerospace | washer recessed | 78062 | RFQ |
| 5310PL0724759 | inspektorat wsparcia sil zbrojnych | washer recessed | 9009h | RFQ |
| 851629-00 | defense reduction agency | washer recessed | 32345 | RFQ |
| 938.75.11.101 | pilatus aircraft ltd | washer recessed | s4080 | RFQ |
| BC22P301 | abb kent taylor inc | washer recessed | 59310 | RFQ |
| MS20002C4 | finmeccanica spa helicopters | washer recessed | a0126 | RFQ |
| MS20002C4 | military standards corp | washer recessed | 96906 | RFQ |
| MS20002C4 | national aerospace standards com | washer recessed | 80205 | RFQ |
| NAS143-4C | national aerospace standards com | washer recessed | 80205 | 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 |
| Components Related to NSN - 5310-00-596-1766, 5310005961766 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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