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) | 00-555-8205 (005558205) |
| NCB Code | USA (00) |
| Manufacturer | Sae International, Society Of Automotive Engineers Inc, Parker Hannifin Corporation, Eaton Aeroquip Inc, Military Standards Corp, Finmeccanica Spa Helicopters, Dana Holding Corporation, Dana Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AS21921-12W | sae international | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-12D | parker hannifin corporation | nut tube coupling | RFQ |
| MS21921-12D | eaton aeroquip inc | nut tube coupling | RFQ |
| AS21921-12W | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921D12 | military standards corp | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| 1376-18-116 | finmeccanica spa helicopters | nut tube coupling | RFQ |
| MS21921-12D | dana holding corporation | nut tube coupling | RFQ |
| MS21921-12D | military standards corp | nut tube coupling | RFQ |
| MS51823-8P | military standards corp | nut tube coupling | RFQ |
| ER818-12D | dana corp | nut tube coupling | RFQ |
| MS21921-12D | dana corp | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 1.000 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | HELICOPTER,MODEL CH-47 |
| ASDB | WIDTH ACROSS FLATS | 1.250 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.687 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.826 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNJ |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 1.062 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.750 INCHES |
| CRRB | SEAT ANGLE | 45.00 DEGREES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE II,CAASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-555-8205, 4730005558205 | ||||
| 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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