| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-012-2049 (010122049) |
| NCB Code | USA (01) |
| Manufacturer | Dynamic Gunver Technologies Llc, Paradigm Manchester Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.657 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 3.140 INCHES MINIMUM AND 3.160 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | INTERGAL PART OF THE REAR GEARBOX HOUSING. FAILURE OF THIS WASHER COULD RESULT IN DEGRADED PERFORMANCE AND/OR FAILURE OF THE WEAPON SYSTEM OPERATION. |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5040 ASSN STD 1ST MATERIAL RESPONSE OR AMS5042 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 5310-01-012-2049, 5310010122049 | ||||
| 5305-00-058-8627 (5305000588627) | 5305-01-464-0977 (5305014640977) | 5310-01-004-6958 (5310010046958) | 5315-01-470-7865 (5315014707865) | |
| 5340-00-015-2268 (5340000152268) | 5305-00-841-3941 (5305008413941) | 5320-00-205-9596 (5320002059596) | 5340-01-656-4589 (5340016564589) | |
| 5330-00-947-5111 (5330009475111) | 5365-01-569-6583 (5365015696583) | 5340-01-514-2291 (5340015142291) | 5315-01-532-4171 (5315015324171) | |
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