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) | 00-943-2474 (009432474) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Tokyo Judogi Kogyo Co, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.820 INCHES MINIMUM AND 3.840 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.140 INCHES MINIMUM AND 4.160 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 1.780 INCHES MINIMUM AND 1.790 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 12 INTERNAL KEYS EQUALLY SPACED |
| MATT | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6350 ASSN STD 1ST MATERIAL RESPONSE OR AMS6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-943-2474, 5310009432474 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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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