| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-709-2543 (007092543) |
| NCB Code | USA (00) |
| Manufacturer | Alinabal Holdings Corporation, Triple A Spring Limited, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.705 INCHES MINIMUM AND 0.715 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.112 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.412 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.990 INCHES MINIMUM AND 1.018 INCHES MAXIMUM |
| ABMM | SPLIT KEY LENGTH | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.033 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 20.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-709-2543, 5310007092543 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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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