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) | 01-052-9160 (010529160) |
| NCB Code | USA (01) |
| Manufacturer | Whittet Higgins Company, Electric Boat Corporation, General Dynamics Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 81581-M | whittet higgins company | nut self locking round | RFQ |
| 3444-10 ITEM 49 | electric boat corporation | nut self locking round | RFQ |
| 81581-M | electric boat corporation | nut self locking round | RFQ |
| 81581-M | general dynamics corporation | nut self locking round | RFQ |
| BHS-10 | whittet higgins company | nut self locking round | RFQ |
| 3404-9ITEM54 | general dynamics corporation | nut self locking round | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABPH | SMALL END DIAMETER | 2.344 INCHES NOMINAL |
| ABQU | DRIVE POINT DEPTH | 0.094 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.688 INCHES NOMINAL |
| ADBG | NUT THICKNESS | 0.562 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0.250 INCHES NOMINAL |
| 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 | 1.967 INCHES |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATT | MATERIAL | STEEL COMP 1018 NUT OR STEEL COMP 4140 NUT |
| Relevant Components for NSN - 5310-01-052-9160, 5310010529160 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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