National Item Identification Number
00-978-6976
009786976
4730-00-978-6976
4730009786976
National Stock Number
Item Name
REDUCER,BOSS
Federal Supply Class
4730
Description
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).
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MS21915-20-8C
Required Categories
MATERIAL
SURFACE TREATMENT
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DE
Required Description
STEEL CORROSION RESISTING OVERALL
PASSIVATE INSIDE
PASSIVATE OUTSIDE
THREADED