| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-209-3444 (002093444) |
| NCB Code | USA (00) |
| Manufacturer | Rockwell International Corp, Boeing Company The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.050 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | DYED RED |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-282 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-A-283 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL AND ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OVERALL AND QQ-A-696 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Components Related to NSN - 5310-00-209-3444, 5310002093444 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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