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) | 01-130-3802 (011303802) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.640 INCHES MINIMUM AND 0.645 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.930 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.290 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 78.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-130-3802, 5310011303802 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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