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) | 00-647-2407 (006472407) |
| NCB Code | USA (00) |
| Manufacturer | Textron Systems Corporation, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.167 INCHES MINIMUM AND 0.173 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 6 |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | THIS ITEM HAS BEEN DESIGNATED TO BE AN ENGINEERING-CRITICAL AIRCRAFT ENGINE ITEM |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| Relevant Components for NSN - 5310-00-647-2407, 5310006472407 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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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