| 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) | 00-903-3476 (009033476) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Sae International, Society Of Automotive Engineers Inc, Spanjer Bros Inc, Eaton Aeroquip Inc, Faber Enterprises Inc, Designed Metal Connections Inc, Globe Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MS21915-6-5 | military standards corp | reducer boss | 96906 | RFQ |
| AS18280 | sae international | reducer boss | 0u583 | RFQ |
| AS18280 | society of automotive engineers inc | reducer boss | 81343 | RFQ |
| AS21915 | society of automotive engineers inc | reducer boss | 81343 | RFQ |
| MS21915V6-5P | society of automotive engineers inc | reducer boss | 81343 | RFQ |
| MS21915V6-5P | sae international | reducer boss | 0u583 | RFQ |
| AS21915-6-5 | spanjer bros inc | reducer boss | 83143 | RFQ |
| MS21915-6-5 | eaton aeroquip inc | reducer boss | 00624 | RFQ |
| MS21915-6-5 | faber enterprises inc | reducer boss | 14397 | RFQ |
| MS21915-6-5 | designed metal connections inc | reducer boss | 14798 | RFQ |
| MS21915-6-5 | society of automotive engineers inc | reducer boss | 81343 | RFQ |
| MS21915-6-5 | globe aerospace inc | reducer boss | 03647 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 2ND END |
| AAJD | THREAD CLASS | 3B 1ST END |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CWFR | NOMINAL OVERALL LENGTH | 1.281 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-MS21915V6-5P PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 4730-00-903-3476, 4730009033476 | ||||
| 4730-01-469-3594 (4730014693594) | 4720-00-236-0082 (4720002360082) | 4730-01-594-7646 (4730015947646) | 4730-01-658-6133 (4730016586133) | |
| 4710-01-489-1638 (4710014891638) | 4720-01-348-4338 (4720013484338) | 4730-01-329-2969 (4730013292969) | 4720-01-657-3820 (4720016573820) | |
| 4720-00-631-3173 (4720006313173) | 4730-01-496-8185 (4730014968185) | 4720-00-012-3581 (4720000123581) | 4730-01-242-7736 (4730012427736) | |
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