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) | 01-372-2667 (013722667) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Zf Industrieantriebe Witten Gmbh, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M1222N1W4C20SDNN | military specifications | nut plain hexagon | RFQ |
| 1 4 20UNC 2B TY I GR316 | zf industrieantriebe witten gmbh | nut plain hexagon | RFQ |
| MIL-DTL-1222 | military specifications | nut plain hexagon | RFQ |
| 1 4-20UNC-2B (M IL-B-857 | zf industrieantriebe witten gmbh | nut plain hexagon | RFQ |
| 1 4-20UNC-2B TY1 GR316 | american national standards | nut plain hexagon | RFQ |
| MIL-S-1222 | military specifications | nut plain hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MATT | MATERIAL | STEEL COMP 316 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B MINIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CRTM | BEARING SURFACE TYPE | WASHER FACED |
| Relevant Components for NSN - 5310-01-372-2667, 5310013722667 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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