| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-304-5787 (013045787) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Federal Mogul Corporation, Defense Logistics Agency, Anillo Industries Inc, Moeller Manufacturing And Supply Inc, Sps Technologies Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 03A257C4A | northrop grumman systems corporation | washer recessed | 76823 | RFQ |
| 03A257C4A | federal mogul corporation | washer recessed | 1w025 | RFQ |
| 03A257C4A | defense logistics agency | washer recessed | 14153 | RFQ |
| AS19879C4A | anillo industries inc | washer recessed | 10630 | RFQ |
| MM118C4A | moeller manufacturing and supply inc | washer recessed | 58009 | RFQ |
| NS202860C4A | sps technologies inc | washer recessed | 80539 | RFQ |
| VN948BF4C | alcoa global fasteners inc | washer recessed | 92215 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL OR NICKEL ALLOY 502 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5662 ASSN STD 2ND MATERIAL RESPO |
| SFTT | SURFACE TREATMENT | ALUMINUM ALLOY OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-01-304-5787, 5310013045787 | ||||
| 5325-01-474-4172 (5325014744172) | 5305-00-005-0050 (5305000050050) | 5305-01-081-2450 (5305010812450) | 5360-00-248-8834 (5360002488834) | |
| 5340-01-369-8169 (5340013698169) | 5305-00-899-3578 (5305008993578) | 5330-00-593-8695 (5330005938695) | 5305-01-514-9340 (5305015149340) | |
| 5340-01-702-5703 (5340017025703) | 5360-00-920-9595 (5360009209595) | 5340-01-691-6457 (5340016916457) | 5306-01-269-7435 (5306012697435) | |
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