AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Reducer 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) | 00-810-3477 (008103477) |
| NCB Code | USA (00) |
| Manufacturer | Sae International, Society Of Automotive Engineers Inc, Military Standards Corp, Air Associates Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AS21915 | sae international | reducer boss | RFQ |
| MS21915-8-4C | society of automotive engineers inc | reducer boss | RFQ |
| AS21915 | society of automotive engineers inc | reducer boss | RFQ |
| MS21915-8-4R | society of automotive engineers inc | reducer boss | RFQ |
| MS21915-8-4C | military standards corp | reducer boss | RFQ |
| MS21915-8-4C | air associates inc | reducer boss | RFQ |
| AS21915-8-4C | society of automotive engineers inc | reducer boss | RFQ |
| MS21915-8-4R | sae international | reducer boss | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 2ND END |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| CWFR | NOMINAL OVERALL LENGTH | 1.484 INCHES |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| AAJD | THREAD CLASS | 3B 1ST END |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-AS21915 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-810-3477, 4730008103477 | ||||
| 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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