| Item Name | Washer Recessed |
| INC Code | 15933 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-551-7964 (005517964) |
| NCB Code | USA (00) |
| Manufacturer | A And M Aerospace Inc, F P A Manufacturing, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.640 INCHES MINIMUM AND 0.647 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.138 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 94.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-551-7964, 5310005517964 | ||||
| 5310-01-011-9703 (5310010119703) | 5310-01-631-4489 (5310016314489) | 5310-00-020-9053 (5310000209053) | 5310-01-041-3831 (5310010413831) | |
| 5310-01-180-5326 (5310011805326) | 5310-01-187-5440 (5310011875440) | 5310-00-092-6831 (5310000926831) | 5310-01-210-4885 (5310012104885) | |
| 5310-00-474-5240 (5310004745240) | 5310-00-474-3114 (5310004743114) | 5310-00-159-9146 (5310001599146) | 5310-01-528-9271 (5310015289271) | |
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