AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Self Locking Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-124-8228 (011248228) |
| NCB Code | USA (01) |
| Manufacturer | Whittet Higgins Company, Ward Leonard Electric Company Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJE | THREAD PITCH DIAMETERS | 2.7149/2.7200 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABPH | SMALL END DIAMETER | 3.125 INCHES NOMINAL |
| ABQU | DRIVE POINT DEPTH | 0.120 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 3.610 INCHES MINIMUM AND 3.625 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ADBJ | UNDERCUT THICKNESS | 0.141 INCHES NOMINAL |
| ADBM | DRIVE POINT QUANTITY | 4 |
| BZRR | THREAD SERIES | UNS |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | 2.751 INCHES |
| MATT | MATERIAL | FIBER LOCKING INSERT |
| MATT | MATERIAL | STEEL NUT |
| Relevant Components for NSN - 5310-01-124-8228, 5310011248228 | ||||
| 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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