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) | 00-531-8560 (005318560) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MIL-DTL-1222 | military specifications | nut plain hexagon | RFQ |
| MIL-S-1222 | military specifications | nut plain hexagon | RFQ |
| MILB857TYPE5STYLEA0RB | military specifications | nut plain hexagon | RFQ |
| 0.37524UNF3BTY5STYB | american national standards | nut plain hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | COPPER ALLOY 464 OR COPPER ALLOY 462 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 5 TYPE AND A STYLE AND B STYLEB STYLE |
| Relevant Components for NSN - 5310-00-531-8560, 5310005318560 | ||||
| 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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