National Item Identification Number
00-640-5043
006405043
4730-00-640-5043
4730006405043
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)
81343
Reference Numbers (Part Numbers)
AN893-15
AS51720520
Required Categories
MATERIAL
Required Description
STEEL CORROSION RESISTING OVERALL
