| 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, Aeronautical Standards Group, Designed Metal Connections Inc, Hydrasearch Co Inc, 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 | aeronautical standards group | nut tube coupling | 88044 | RFQ |
| AN818-28D | designed metal connections inc | nut tube coupling | 14798 | RFQ |
| AN818-28D | hydrasearch co inc | nut tube coupling | 32142 | 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 | ||||
| 4730-01-196-9176 (4730011969176) | 4730-00-231-5251 (4730002315251) | 4730-01-504-9371 (4730015049371) | 4730-01-692-6733 (4730016926733) | |
| 4720-00-480-5133 (4720004805133) | 4720-01-119-9471 (4720011199471) | 4720-01-103-5192 (4720011035192) | 4730-01-382-9116 (4730013829116) | |
| 4710-01-094-4689 (4710010944689) | 4720-01-238-5406 (4720012385406) | 4720-00-998-7831 (4720009987831) | 4730-01-073-1029 (4730010731029) | |
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