AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-639-2143 (006392143) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Flight Systems Shelby, Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.726 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 30.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.440 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.100 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.180 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.280 INCHES NOMINAL |
| Relevant Components for NSN - 5310-00-639-2143, 5310006392143 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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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