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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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