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) | 00-825-2094 (008252094) |
| NCB Code | USA (00) |
| Manufacturer | Society Of Automotive Engineers Inc, Military Standards Corp, Sae International, Eaton Aerospace Ltd, Eaton Aeroquip Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-3J | society of automotive engineers inc | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-3J | military standards corp | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| MS21921-3J | sae international | nut tube coupling | RFQ |
| MS21921-3J | eaton aerospace ltd | nut tube coupling | RFQ |
| MS21921-3J | eaton aeroquip inc | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.570 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AAJD | THREAD CLASS | 3B |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| BRQL | LENGTH TO SHOULDER | 0.424 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.188 INCHES |
| CRRB | SEAT ANGLE | 0.45 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 304 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-825-2094, 4730008252094 | ||||
| 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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