AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Tube Coupling |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 00-910-5312 (009105312) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Dana Corp, Designed Metal Connections Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21918-20 | military standards corp | nut tube coupling | RFQ |
| MS21918-2TYPEA | military standards corp | nut tube coupling | RFQ |
| ER819-20 | dana corp | nut tube coupling | RFQ |
| MS21921-20ANDMS21922-20 | military standards corp | nut tube coupling | RFQ |
| MS21918-20TYPEA | military standards corp | nut tube coupling | RFQ |
| ER819-20 | designed metal connections inc | nut tube coupling | RFQ |
| MILF5509 | military specifications | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 1B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AARN | FABRICATION METHOD | MACHINED |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 1.065 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 2.005 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.690 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 1.328 INCHES NOMINAL |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 1.625 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 1.000 INCHES |
| FEAT | SPECIAL FEATURES | FURNISHED W/FERRULE |
| MATT | MATERIAL | STEEL COMP 1137 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 4730-00-910-5312, 4730009105312 | ||||
| 4730-01-264-0647 (4730012640647) | 4710-01-087-3570 (4710010873570) | 4730-01-682-8244 (4730016828244) | 4730-01-487-9458 (4730014879458) | |
| 4710-00-243-6475 (4710002436475) | 4710-01-534-2995 (4710015342995) | 4720-01-543-1738 (4720015431738) | 4710-01-354-1183 (4710013541183) | |
| 4730-00-911-7118 (4730009117118) | 4720-00-789-6624 (4720007896624) | 4710-01-217-9553 (4710012179553) | 4720-01-342-8657 (4720013428657) | |
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