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) | 01-508-8922 (015088922) |
| NCB Code | USA (01) |
| Manufacturer | L 3 Communications Oceania Pty Ltd, L 3 Communications Corporation, Klein Marine Systems Inc, Din Deutsches Institut |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 10.7 MILLIMETERS NOMINAL |
| ABKV | OUTSIDE DIAMETER | 18.1 MILLIMETERS NOMINAL |
| ABPX | MATERIAL THICKNESS | 2.2 MILLIMETERS NOMINAL |
| AGAV | III END ITEM IDENTIFICATION | SQH-4B TOWFISH; MRAP - M-ATV DV178 |
| CQFM | HARDNESS RATING | 85.0 ROCKWELL B NOMINAL |
| FEAT | SPECIAL FEATURES | CATALOG CALLS THIS: METRIC SPRING - DIN 127B LOCK WASHER |
| MATT | MATERIAL | STEEL COMP 316 OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| Relevant Components for NSN - 5310-01-508-8922, 5310015088922 | ||||
| 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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