| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-391-3556 (013913556) |
| NCB Code | USA (01) |
| Manufacturer | Goodrich Corporation, Parker Hannifin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.900 INCHES MINIMUM AND 1.925 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 17 |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.406 INCHES MINIMUM AND 2.426 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.814 INCHES MINIMUM AND 2.844 INCHES MAXIMUM |
| Components Related to NSN - 5310-01-391-3556, 5310013913556 | ||||
| 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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