| 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 | ||||
| 5320-01-093-5687 (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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