AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-494-2731 (014942731) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com, Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| CRTM | Bearing Surface Type | CHAMFERED |
| CQJX | Nominal Thread Size | 0.250 INCHES |
| AGAV | End Item Identification | HELICOPTER OBSERVATION, OH-58D, 1520-01-125-5476 |
| AAJF | Thread Direction | RIGHT-HAND |
| MRC | Decoded Requirement | Clear Text Reply |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| MATT | Material | STEEL OVERALL |
| AAJD | Thread Class | 3B |
| BZRR | Thread Series | UNF |
| ACTA | Nut Style | HEXAGON |
| STDC | Surface Treatment Document And Classification | QQ-P-416,TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ADEA | Nut Height | 0.188 INCHES NOMINAL |
| ASDB | Width Across Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 28 |
| Relevant Components for NSN - 5310-01-494-2731, 5310014942731 | ||||
| 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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