| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-637-8563 (006378563) |
| NCB Code | USA (00) |
| Manufacturer | Goodrich Corporation, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.969 INCHES MINIMUM AND 3.979 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.125 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.218 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.312 INCHES NOMINAL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.281 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 4.500 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 25 |
| ABPX | MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-637-8563, 5310006378563 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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