National Item Identification Number
01-180-4503
011804503
4730-01-180-4503
4730011804503
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
44114
B A E SYSTEMS LAND & ARMAMENTS L P
ARMAMENT SYSTEMS DIV
4800 E RIVER RD
MINNEAPOLIS
MN
55421
763-572-5347
Reference Numbers (Part Numbers)
AS21916K12-10
MS21916-K12-10
1376-18-396
Required Categories
MATERIAL
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DESIGNATOR
NOMINAL T
Required Description
STEEL COMP 316 OVERALL
THREADED EXTERNAL BOSS ALL ENDS
B71A EXTERNAL SEAT FOR