| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-125-3937 (001253937) |
| NCB Code | USA (00) |
| Manufacturer | Ontic Engineering And Manufacturing Inc, Ontic Limited, Safran Electrical And Power, Transaero Pty Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.266 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.445 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.094 INCHES NOMINAL |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.250 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.116 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.281 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.665 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.172 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 45.0 DEGREES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-125-3937, 5310001253937 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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