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) | 00-639-9414 (006399414) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aeroquip Inc, Dana Corp, Sae International, Designed Metal Connections Inc, Military Standards Corp, Society Of Automotive Engineers Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21921-20D | eaton aeroquip inc | nut tube coupling | RFQ |
| ER0818-20D | dana corp | nut tube coupling | RFQ |
| MS21921W20 | sae international | nut tube coupling | RFQ |
| MS21921-20D | designed metal connections inc | nut tube coupling | RFQ |
| MS21921-20D | military standards corp | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| ER0818-20D | designed metal connections inc | nut tube coupling | RFQ |
| MS21921W20 | society of automotive engineers inc | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921D20 | designed metal connections inc | nut tube coupling | RFQ |
| MS21921D20 | eaton aeroquip inc | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| MS21921D20 | military standards 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 | 1.050 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |
| ASDB | WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| BSPX | SMALLEST INSIDE DIAMETER | 1.472 INCHES MINIMUM AND 1.492 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJ |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 1.625 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 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-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OR 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 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-639-9414, 4730006399414 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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