| 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) | 00-287-0273 (002870273) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aeroquip Inc, Lockheed Martin Corporation, Hydrasearch Co Inc, Designed Metal Connections Inc, Aeronautical Standards Group, Sae International, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 290-28D | eaton aeroquip inc | nut tube coupling | 00624 | RFQ |
| 720335-28 | lockheed martin corporation | nut tube coupling | 56232 | RFQ |
| 731857-128 | lockheed martin corporation | nut tube coupling | 56232 | RFQ |
| AN818-28D | hydrasearch co inc | nut tube coupling | 32142 | RFQ |
| AN818-28D | designed metal connections inc | nut tube coupling | 14798 | RFQ |
| AN818-28D | aeronautical standards group | nut tube coupling | 88044 | RFQ |
| AS4841 | sae international | nut tube coupling | 0u583 | RFQ |
| MILF5509A | military specifications | nut tube coupling | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 1.562 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 2.605 INCHES MINIMUM AND 2.645 INCHES MAXIMUM |
| BRQL | LENGTH TO SHOULDER | 1.316 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 1.890 INCHES MINIMUM AND 1.893 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 2.250 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 1.750 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| Components Related to NSN - 4730-00-287-0273, 4730002870273 | ||||
| 4710-01-382-0056 (4710013820056) | 4710-01-315-7588 (4710013157588) | 4720-01-503-1073 (4720015031073) | 4710-00-123-2979 (4710001232979) | |
| 4710-01-238-5572 (4710012385572) | 4710-01-576-9774 (4710015769774) | 4710-01-497-7243 (4710014977243) | 4710-00-762-9156 (4710007629156) | |
| 4730-01-691-9325 (4730016919325) | 4730-01-336-2587 (4730013362587) | 4730-66-151-5881 (4730661515881) | 4710-01-521-1980 (4710015211980) | |
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