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) | 00-897-2042 (008972042) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Society Of Automotive Engineers Inc, Imperial Electric Company The, Military Specifications, Parker Hannifin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS51531B5S | military standards corp | nut tube coupling | RFQ |
| 5 070110S | society of automotive engineers inc | nut tube coupling | RFQ |
| 841FS05 | imperial electric company the | nut tube coupling | RFQ |
| MIL-DTL-18866 | military specifications | nut tube coupling | RFQ |
| 5BTXSS | parker hannifin corporation | nut tube coupling | RFQ |
| MIL-F-18866 | military specifications | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AARN | FABRICATION METHOD | MACHINED |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.670 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.326 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.359 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.312 INCHES |
| CRRB | SEAT ANGLE | 37.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51531 GOVERNMENT STANDARD |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 12 FIGURE |
| Relevant Components for NSN - 4730-00-897-2042, 4730008972042 | ||||
| 4730-00-204-0751 (4730002040751) | 4730-00-555-8386 (4730005558386) | 4720-01-438-8832 (4720014388832) | 4730-01-512-7631 (4730015127631) | |
| 4730-00-277-2166 (4730002772166) | 4710-01-632-7272 (4710016327272) | 4720-01-370-6031 (4720013706031) | 4710-01-516-4621 (4710015164621) | |
| 4730-01-501-9788 (4730015019788) | 4730-01-411-7111 (4730014117111) | 4720-00-235-9885 (4720002359885) | 4710-00-177-6119 (4710001776119) | |
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