| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-978-0883 (009780883) |
| NCB Code | USA (00) |
| Manufacturer | General Dynamics Ots Global Inc, Inspektorat Wsparcia Sil Zbrojnych |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.209 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.960 INCHES MINIMUM AND 1.020 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.392 INCHES MINIMUM AND 0.402 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.090 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| CSTM | RECESS ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| HEAT | HEAT TREATMENT | NORMALIZED |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Components Related to NSN - 5310-00-978-0883, 5310009780883 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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