| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-281-3845 (012813845) |
| NCB Code | USA (01) |
| Manufacturer | Navair And Navsea Managed, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.509 INCHES MINIMUM AND 0.518 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY K-500 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | G CLASS |
| Relevant Components for NSN - 5310-01-281-3845, 5310012813845 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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