| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-377-6204 (003776204) |
| NCB Code | USA (00) |
| Manufacturer | Inspektorat Wsparcia Sil Zbrojnych, Turbo Power And Marine System Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.850 INCHES MINIMUM AND 3.870 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.060 INCHES MINIMUM AND 4.080 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.760 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 4.340 INCHES MINIMUM AND 4.360 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 11 |
| ABMR | INTERNAL KEY QUANTITY | 10 |
| ABPX | MATERIAL THICKNESS | 0.051 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-377-6204, 5310003776204 | ||||
| 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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