AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-117-6268 (011176268) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, M And M Aerospace Hardware Inc, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.4405 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.2510 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.184 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| CQJW | TOP RECESS DIAMETER | 0.4805 INCHES MINIMUM AND 0.4810 INCHES MAXIMUM |
| CRKG | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CRSD | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CSML | BOTTOM RECESS DIAMETER | 0.4805 INCHES MINIMUM AND 0.4810 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES OUTER |
| FEAT | SPECIAL FEATURES | CHAMFER 0.015 IN. MIN,0.025 IN. MAX OUTSIDE EDGE TOP AND BOTTOM |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | EMS 52488,TY 2,CL 1,FSCM 99193 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| Relevant Components for NSN - 5310-01-117-6268, 5310011176268 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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