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) | 00-278-8561 (002788561) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aeroquip Inc, Lockheed Martin Corporation, Satair Usa Inc, Sae International, Clark Equipment Company, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 290-32D | eaton aeroquip inc | nut tube coupling | RFQ |
| 731857-132 | lockheed martin corporation | nut tube coupling | RFQ |
| 290-32D | satair usa inc | nut tube coupling | RFQ |
| AS4841 | sae international | nut tube coupling | RFQ |
| CA1208 | clark equipment company | nut tube coupling | RFQ |
| AN818-32D | aeronautical standards group | nut tube coupling | RFQ |
| 720337-32 | lockheed martin corporation | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 1.734 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 2.855 INCHES MINIMUM AND 2.895 INCHES MAXIMUM |
| BRQL | LENGTH TO SHOULDER | 1.462 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 2.167 INCHES MINIMUM AND 2.170 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 2.500 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 2.000 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| Relevant Components for NSN - 4730-00-278-8561, 4730002788561 | ||||
| 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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