| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-249-5178 (002495178) |
| NCB Code | USA (00) |
| Manufacturer | Kearfott Corporation, Singer Co The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| B312001099-1 | kearfott corporation | washer recessed | 88818 | RFQ |
| B312001099-1 | singer co the | washer recessed | 14804 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.312 INCHES NOMINAL |
| CSTM | RECESS ANGLE | 79.0 DEGREES MINIMUM AND 81.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BOTTOM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES TOP |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | 2 HOLES 0.055 IN. DIA BY 0.017 IN. DEEP LOCATED ON RECESSED SIDE ON 1.312 IN. CIRCLE DIA 180 DEG APART |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-249-5178, 5310002495178 | ||||
| 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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