National Item Identification Number
00-328-5221
003285221
4730-00-328-5221
4730003285221
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
81343
81343
Reference Numbers (Part Numbers)
AS18280
AS21916
AS21916J10-4
MS21916-10-4J
MS21916-10-4JSS
MS21916J10-4
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 304 OVERALL
66 FED STD SINGLE MATERIAL RESPONSE OVERALL
PASSIVATE O