| Item Name | Coupling Tube |
| 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) | 00-223-5712 (002235712) |
| NCB Code | USA (00) |
| Manufacturer | Middleton Electric Inc, Transdigm Group Inc, Bell Helicopter Textron Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 1.875 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.500 INCHES ALL ENDS |
| CWFR | NOMINAL OVERALL LENGTH | 2.692 INCHES |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,TYPE303 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RIGID,SHORT CENTER WRENCHING FACILITY |
| THSD | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 TUBE COUPLING NUT AND 1 FLAT WASHER |
| Relevant Components for NSN - 4730-00-223-5712, 4730002235712 | ||||
| 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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