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) | 00-287-0271 (002870271) |
| NCB Code | USA (00) |
| Manufacturer | Designed Metal Connections Inc, Lockheed Martin Corporation, Aeronautical Standards Group, Sae International, Collins Engineering Corp, Military Specifications, Eaton Aeroquip Inc, Hydrasearch Co Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AN818-20D | designed metal connections inc | nut tube coupling | RFQ |
| 720335-20 | lockheed martin corporation | nut tube coupling | RFQ |
| AN818-20D | aeronautical standards group | nut tube coupling | RFQ |
| AS4841 | sae international | nut tube coupling | RFQ |
| AN818-20D | collins engineering corp | nut tube coupling | RFQ |
| AN818 | aeronautical standards group | nut tube coupling | RFQ |
| MILF5509A | military specifications | nut tube coupling | RFQ |
| 290-200 | eaton aeroquip inc | nut tube coupling | RFQ |
| 290-20D | eaton aeroquip inc | nut tube coupling | RFQ |
| AN818-20D | hydrasearch co inc | nut tube coupling | RFQ |
| 731857-120 | lockheed martin corporation | 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 | 1.219 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM |
| BRQL | LENGTH TO SHOULDER | 1.017 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 1.347 INCHES MINIMUM AND 1.350 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 1.625 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |
| FEAT | SPECIAL FEATURES | GRUMMAN A-10 AIRCRAFT |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/4,TP T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 4730-00-287-0271, 4730002870271 | ||||
| 4720-01-534-8173 (4720015348173) | 4730-01-701-7883 (4730017017883) | 4730-01-598-0285 (4730015980285) | 4710-00-504-5516 (4710005045516) | |
| 4730-01-203-2201 (4730012032201) | 4730-01-264-0778 (4730012640778) | 4720-00-639-9764 (4720006399764) | 4730-00-289-4981 (4730002894981) | |
| 4710-00-467-8492 (4710004678492) | 4710-01-139-7139 (4710011397139) | 4730-00-929-8993 (4730009298993) | 4720-00-470-9995 (4720004709995) | |
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