AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-843-1803 (008431803) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Crain Enterprises Inc, American Tool And Machine Corp, American Aircraft Parts Mfg Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTD | NUT DIAMETER | 4.350 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AAJD | THREAD CLASS | 3B |
| ABQU | DRIVE POINT DEPTH | 0.100 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| ADBG | NUT THICKNESS | 0.380 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0.375 INCHES NOMINAL |
| ADBM | DRIVE POINT QUANTITY | 14 |
| BZRR | THREAD SERIES | UN |
| CQJX | NOMINAL THREAD SIZE | 3.750 INCHES |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| PRMT | PRECIOUS MATERIAL | SILVER |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| Relevant Components for NSN - 5310-00-843-1803, 5310008431803 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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