NSN 4730-00-640-5860
Part Details | BOSS REDUCER
4730-00-640-5860 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).
Alternate Parts: ER919D124, ER919D12-4, MS21916D124, MS21916D12-4, MS21916W124, MS21916W12-4, MS21916D124, MS21916D12-4, AS21916, AS18280, 4730-00-640-5860, 00-640-5860, 4730006405860, 006405860
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-640-5860 | 23541 ( REDUCER, BOSS ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-00-640-5860
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ER919D12-4 | 79470 | DANA CORPWEATHERHEAD DIV |
| MS21916D12-4 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS21916W12-4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS21916D12-4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS21916 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-640-5860
| Characteristic | Specifications |
|---|---|
| NOMINAL OVERALL LENGTH | 1.531 INCHES |
| REDUCER TYPE | CONCENTRIC |
| SPECIFICATION/STANDARD DATA | 96906-MS21916 GOVERNMENT STANDARD |
| END ITEM IDENTIFICATION | USED ON BOEING VERTOL CARGO TRANSPORT HELICOPTER, MODEL CH-47 |