| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-255-3405 (002553405) |
| NCB Code | USA (00) |
| Manufacturer | Defense Logistics Agency, Norfolk Naval Shipyard |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| ABKX | EXTERNAL STRAIGHT KEY LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| ABLA | PEENING KEY LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.375 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.000 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY A OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | BOLT SIZE AND MATERIAL |
| Relevant Components for NSN - 5310-00-255-3405, 5310002553405 | ||||
| 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.
Request for Quote
