AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Union |
| 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) | 00-770-9569 (007709569) |
| NCB Code | USA (00) |
| Manufacturer | American Piping Accessories Co Inc, Hydrasearch Co Inc, Lockheed Martin Corporation, Admiral Valve Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A6UN50-8-DF | american piping accessories co inc | nut union | RFQ |
| 6N508 | hydrasearch co inc | nut union | RFQ |
| MIS17356-1-1 | lockheed martin corporation | nut union | RFQ |
| 50N8 | lockheed martin corporation | nut union | RFQ |
| 50N-8-304SS | admiral valve llc | nut union | RFQ |
| 50N8 | admiral valve llc | nut union | RFQ |
| 6N50-8 CD | hydrasearch co inc | nut union | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABNK | SHOULDER WIDTH | 0.317 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| ACTA | NUT STYLE | HEXAGON |
| CFQC | SHOULDER SEAT DIAMETER | 3.484 INCHES MINIMUM AND 3.516 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 3.750 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAJD | THREAD CLASS | 3B |
| ADEA | NUT HEIGHT | 1.500 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 4.125 INCHES MINIMUM |
| BSPX | SMALLEST INSIDE DIAMETER | 3.190 INCHES NOMINAL |
| BZRR | THREAD SERIES | UN |
| CFQB | SHOULDER STEP WIDTH | 0.359 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CRPK | MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | 3000.0 POUNDS PER SQUARE INCH WATER AND 30000.0 POUNDS PER SQUARE INCH OIL |
| MATT | MATERIAL | STEEL COMP 304 OVERALL |
| Relevant Components for NSN - 4730-00-770-9569, 4730007709569 | ||||
| 4730-01-631-9750 (4730016319750) | 4730-01-131-3423 (4730011313423) | 4730-01-365-7893 (4730013657893) | 4720-01-440-4645 (4720014404645) | |
| 4710-00-618-8973 (4710006188973) | 4730-01-386-0632 (4730013860632) | 4720-01-476-2535 (4720014762535) | 4730-01-417-2391 (4730014172391) | |
| 4710-01-660-9268 (4710016609268) | 4730-00-105-2420 (4730001052420) | 4710-01-339-8689 (4710013398689) | 4720-01-676-3361 (4720016763361) | |
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