| 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 | Lockheed Martin Corporation, Sae International, Satair Usa Inc, Eaton Aeroquip Inc, Aeronautical Standards Group, Clark Equipment Company |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 731857-132 | lockheed martin corporation | nut tube coupling | RFQ |
| AS4841 | sae international | nut tube coupling | RFQ |
| 290-32D | satair usa inc | nut tube coupling | RFQ |
| 720337-32 | lockheed martin corporation | nut tube coupling | RFQ |
| 290-32D | eaton aeroquip inc | nut tube coupling | RFQ |
| AN818-32D | aeronautical standards group | nut tube coupling | RFQ |
| CA1208 | clark equipment company | 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 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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