| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-766-4243 (007664243) |
| NCB Code | USA (00) |
| Manufacturer | Triple A Spring Limited, Alinabal Holdings Corporation, Turbo Power And Marine System Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.900 INCHES MINIMUM AND 0.920 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM |
| ABMM | SPLIT KEY LENGTH | 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 78.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 20.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.130 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.167 INCHES MINIMUM AND 1.207 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| MATT | MATERIAL | STEEL COMP 304L OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-766-4243, 5310007664243 | ||||
| 5325-01-474-4172 (5325014744172) | 5305-00-005-0050 (5305000050050) | 5305-01-081-2450 (5305010812450) | 5360-00-248-8834 (5360002488834) | |
| 5340-01-369-8169 (5340013698169) | 5305-00-899-3578 (5305008993578) | 5330-00-593-8695 (5330005938695) | 5305-01-514-9340 (5305015149340) | |
| 5340-01-702-5703 (5340017025703) | 5360-00-920-9595 (5360009209595) | 5340-01-691-6457 (5340016916457) | 5306-01-269-7435 (5306012697435) | |
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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