AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-209-2028 (002092028) |
| NCB Code | USA (00) |
| Manufacturer | Cardwell Condester Corp, Northrop Grumman Systems Corporation, Itw Shakeproof Automotive Products, Lockheed Martin Corporation, Navair And Navsea Managed, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 503B4-91-2 | cardwell condester corp | washer lock | RFQ |
| 904701-07 | northrop grumman systems corporation | washer lock | RFQ |
| 1920 | itw shakeproof automotive products | washer lock | RFQ |
| 904701-07 | lockheed martin corporation | washer lock | RFQ |
| 12Z3010-31 | navair and navsea managed | washer lock | RFQ |
| AN936A616B | aeronautical standards group | washer lock | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.692 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STYL | STYLE DESIGNATOR | FLAT INTERNAL TEETH |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE FINISH |
| Relevant Components for NSN - 5310-00-209-2028, 5310002092028 | ||||
| 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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