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) | 00-201-9588 (002019588) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Services Inc, Northrop Grumman Systems Corporation, Rockwell Collins Inc, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 21603-2 | lockheed martin services inc | coupling boss | RFQ |
| A51K9035-5 | northrop grumman systems corporation | coupling boss | RFQ |
| 21603-2 | rockwell collins inc | coupling boss | RFQ |
| 21603-1 | rockwell collins inc | coupling boss | RFQ |
| 21603 | rockwell collins inc | coupling boss | RFQ |
| 21603-2 | lockheed martin corporation | coupling boss | RFQ |
| 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 | 0.250 INCHES ALL ENDS |
| CWFR | NOMINAL OVERALL LENGTH | 1.650 INCHES |
| FEAT | SPECIAL FEATURES | LOCKWIRE HOLE 0.620 IN. FROM SECOND END,0.057 IN. DIA,BULKHEAD,UNEF THD SERIES,0.625 IN. THD SIZE FIRST END |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 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 - 4730-00-201-9588, 4730002019588 | ||||
| 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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