National Item Identification Number
01-438-7903
014387903
4730-01-438-7903
4730014387903
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)
AN919-28J
AS5174J2420
MS24399C29
Required Categories
MATERIAL
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DESIGNATOR
NOMINAL T
Required Description
STEEL COMP 304 OVERALL
THREADED EXTERNAL BOSS ALL ENDS
B81 FLARED W/GASKET SEA