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, Military Specifications, Dana Corp, Designed Metal Connections Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21918-2TYPEA | military standards corp | nut tube coupling | RFQ |
| MS21918-20 | military standards corp | nut tube coupling | RFQ |
| MILF5509 | military specifications | nut tube coupling | RFQ |
| ER819-20 | dana corp | nut tube coupling | RFQ |
| MS21921-20ANDMS21922-20 | military standards corp | nut tube coupling | RFQ |
| ER819-20 | designed metal connections inc | nut tube coupling | RFQ |
| MS21918-20TYPEA | military standards corp | 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 | ||||
| 4720-01-534-8173 (4720015348173) | 4730-01-701-7883 (4730017017883) | 4730-01-598-0285 (4730015980285) | 4710-00-504-5516 (4710005045516) | |
| 4730-01-203-2201 (4730012032201) | 4730-01-264-0778 (4730012640778) | 4720-00-639-9764 (4720006399764) | 4730-00-289-4981 (4730002894981) | |
| 4710-00-467-8492 (4710004678492) | 4710-01-139-7139 (4710011397139) | 4730-00-929-8993 (4730009298993) | 4720-00-470-9995 (4720004709995) | |
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