AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Coupling Assembly Q |
| 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) | 01-237-6231 (012376231) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MIL-C-21049 | military specifications | coupling assembly q | RFQ |
| MS22068-2 | military standards corp | coupling assembly q | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A FIRST FLUID END CONNECTION |
| ABHP | OVERALL LENGTH | 4.256 INCHES NOMINAL |
| ADLN | QUICK DISCONNECT METHOD | TWIST-LOCK ALL ENDS |
| AHNC | CONNECTION STYLE | FLARED FIRST FLUID END CONNECTION |
| AHSJ | LEG LENGTH | 0.550 INCHES NOMINAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES FIRST FLUID END CONNECTION |
| CQRB | SEAT ANGLE | 37.0 DEGREES |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.312 INCHES FIRST FLUID END CONNECTION |
| FEAT | SPECIAL FEATURES | FIRST END BULKHEAD |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | COUPLING ASSEMBLY |
| THSD | THREAD SERIES DESIGNATOR | UNJF FIRST FLUID END CONNECTION |
| Relevant Components for NSN - 4730-01-237-6231, 4730012376231 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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