AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Coupling Boss |
| 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) | 00-345-8703 (003458703) |
| NCB Code | USA (00) |
| Manufacturer | Pioneer Machine Products Inc, Kmi Inc, Br Machine Parts Inc, Boeing Company The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |
| CRDL | UNION JOINT LOCATION | SECOND END |
| CWFR | NOMINAL OVERALL LENGTH | 1.531 INCHES |
| FEAT | SPECIAL FEATURES | DRILL 0.070 IN. HOLE FOR LOCKWIRE,BULKHEAD,UNF THD SERIES,0.625 IN. THD SIZE SECOND END |
| MATT | MATERIAL | STEEL COMP 303SE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303SE FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PRIMER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RIGID,SHORT CENTER WRENCHING FACILITY |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Relevant Components for NSN - 4730-00-345-8703, 4730003458703 | ||||
| 4720-00-906-9886 (4720009069886) | 4730-00-082-5929 (4730000825929) | 4720-00-405-6354 (4720004056354) | 4730-01-189-5520 (4730011895520) | |
| 4720-99-052-0970 (4720990520970) | 4720-01-198-9803 (4720011989803) | 4710-01-434-3220 (4710014343220) | 4730-00-202-8098 (4730002028098) | |
| 4730-01-415-3256 (4730014153256) | 4730-01-058-2167 (4730010582167) | 4730-01-590-9027 (4730015909027) | 4730-01-017-8286 (4730010178286) | |
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