| 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, Inspektorat Wsparcia Sil Zbrojnych, Sargent Aerospace, Military Standards Corp, Finmeccanica Spa Helicopters, Defense Reduction Agency, Abb Kent Taylor Inc, Pilatus Aircraft Ltd |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS143-4C | national aerospace standards com | washer recessed | 80205 | RFQ |
| 5310PL0724759 | inspektorat wsparcia sil zbrojnych | washer recessed | 9009h | RFQ |
| 21170-48 | sargent aerospace | washer recessed | 78062 | RFQ |
| 143-4C | national aerospace standards com | washer recessed | 80205 | RFQ |
| MS20002C4 | military standards corp | washer recessed | 96906 | RFQ |
| 21342 FIND 45 | sargent aerospace | washer recessed | 78062 | RFQ |
| MS20002C4 | finmeccanica spa helicopters | washer recessed | a0126 | RFQ |
| 52103 FIND 52 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21317 FIND 41 | sargent aerospace | washer recessed | 78062 | RFQ |
| 851629-00 | defense reduction agency | washer recessed | 32345 | RFQ |
| 21808 FIND 27 | sargent aerospace | washer recessed | 78062 | RFQ |
| BC22P301 | abb kent taylor inc | washer recessed | 59310 | RFQ |
| MS20002C4 | national aerospace standards com | washer recessed | 80205 | RFQ |
| 21110 FIND 41 | sargent aerospace | washer recessed | 78062 | RFQ |
| 21835 FIND 52 | sargent aerospace | washer recessed | 78062 | RFQ |
| 938.75.11.101 | pilatus aircraft ltd | washer recessed | s4080 | 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 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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