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) | 00-554-7397 (005547397) |
| NCB Code | USA (00) |
| Manufacturer | Parker Hannifin Corporation, Society Of Automotive Engineers Inc, Eaton Aerospace Ltd, Atmosphere Control International, Dana Holding Corporation, Military Standards Corp, Sae International, Globe Aerospace Inc, Dana Corp, Alcoa Global Fasteners Inc, Eaton Aeroquip Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21921-6D | parker hannifin corporation | nut tube coupling | RFQ |
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-6D | eaton aerospace ltd | nut tube coupling | RFQ |
| 156 1 | atmosphere control international | nut tube coupling | RFQ |
| MS21921-6D | dana holding corporation | nut tube coupling | RFQ |
| MS21921-6D | military standards corp | nut tube coupling | RFQ |
| MS21921-6W | sae international | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| MS21921-6W | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-6W | military standards corp | nut tube coupling | RFQ |
| MS21921-6D | globe aerospace inc | nut tube coupling | RFQ |
| MS21921-6D | dana corp | nut tube coupling | RFQ |
| VSF1212-6WW | alcoa global fasteners inc | nut tube coupling | RFQ |
| MS21921W6 | military standards corp | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-6D | eaton aeroquip inc | nut tube coupling | RFQ |
| MS21921D6 | military standards corp | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AARN | FABRICATION METHOD | MACHINED |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.800 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |
| ASDB | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.578 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.425 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES |
| CRRB | SEAT ANGLE | 45.00 DEGREES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-AS21921 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Relevant Components for NSN - 4730-00-554-7397, 4730005547397 | ||||
| 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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