AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | King Engineering Corporation, Federal Specifications, Iso Group Inc, Bokar Mfg Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3155 | king engineering corporation | washer flat | RFQ |
| E3096PC3155 | king engineering corporation | washer flat | RFQ |
| E3213-2PC3155 | king engineering corporation | washer flat | RFQ |
| FFW92TYPEAGRADE2CLASSE | federal specifications | washer flat | RFQ |
| 3155 | iso group inc | washer flat | RFQ |
| 3155 | bokar mfg co | washer flat | 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 |
| Relevant Components for NSN - 5310-00-264-0621, 5310002640621 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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