| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-264-0621 (002640621) |
| NCB Code | USA (00) |
| Manufacturer | Bokar Mfg Co, Iso Group Inc, King Engineering Corporation, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3155 | bokar mfg co | washer flat | 85446 | RFQ |
| 3155 | iso group inc | washer flat | 3em17 | RFQ |
| 3155 | king engineering corporation | washer flat | 33667 | RFQ |
| E3096PC3155 | king engineering corporation | washer flat | 33667 | RFQ |
| E3213-2PC3155 | king engineering corporation | washer flat | 33667 | RFQ |
| FFW92TYPEAGRADE2CLASSE | federal specifications | washer flat | 81348 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.03125 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.500 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY 11 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 2 GRADE AND E CLASS |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THK |
| Components Related to NSN - 5310-00-264-0621, 5310002640621 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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