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) | 00-287-0291 (002870291) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aerospace Ltd, Aeronautical Standards Group, Hydro Fitting Manufacturing Corp, Sae International, Skf Aerospace France, Designed Metal Connections Inc, Lockheed Martin Corporation, Kollsman Inc, Satair Usa Inc, Hydrasearch Co Inc, Eaton Aeroquip Inc, Napco International Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 144682 | eaton aerospace ltd | nut tube coupling | RFQ |
| A818-2D | aeronautical standards group | nut tube coupling | RFQ |
| AN818-2D | aeronautical standards group | nut tube coupling | RFQ |
| AN818-2D | hydro fitting manufacturing corp | nut tube coupling | RFQ |
| AS4841 | sae international | nut tube coupling | RFQ |
| AN818-2D | skf aerospace france | nut tube coupling | RFQ |
| AN818-2D | designed metal connections inc | nut tube coupling | RFQ |
| 720335-2 | lockheed martin corporation | nut tube coupling | RFQ |
| 61-51651-4050 | kollsman inc | nut tube coupling | RFQ |
| 731857-102 | lockheed martin corporation | nut tube coupling | RFQ |
| 290-2D | satair usa inc | nut tube coupling | RFQ |
| AN818-2D | hydrasearch co inc | nut tube coupling | RFQ |
| 290-2D | eaton aeroquip inc | nut tube coupling | RFQ |
| 13078 | napco international llc | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.371 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| BRQL | LENGTH TO SHOULDER | 0.460 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.180 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.125 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 7075 OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 818-2D PART |
| Relevant Components for NSN - 4730-00-287-0291, 4730002870291 | ||||
| 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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