| 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 | Iso Group Inc, Bokar Mfg Co, King Engineering Corporation, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3155 | iso group inc | washer flat | 3em17 | RFQ |
| 3155 | bokar mfg co | washer flat | 85446 | 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 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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