| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-286-9661 (002869661) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.320 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| ABKX | EXTERNAL STRAIGHT KEY LENGTH | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.750 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 4 |
| ABPX | MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | EXTERNAL PREBENT KEY ANGLE 120.0 DEG,60.0 DEG,90.0 DEG,90.0 DEG |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-636,COND 5-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Components Related to NSN - 5310-00-286-9661, 5310002869661 | ||||
| 5305-01-222-7769 (5305012227769) | 5365-01-044-5936 (5365010445936) | 5331-01-276-7349 (5331012767349) | 5340-00-536-5281 (5340005365281) | |
| 5365-00-550-5464 (5365005505464) | 5305-01-209-8688 (5305012098688) | 5340-01-624-2067 (5340016242067) | 5340-01-214-3681 (5340012143681) | |
| 5330-01-166-9520 (5330011669520) | 5306-00-528-5534 (5306005285534) | 5307-00-307-2340 (5307003072340) | 5340-01-382-3018 (5340013823018) | |
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