National Item Identification Number
00-057-5556
000575556
4730-00-057-5556
4730000575556
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)
AN893-2S
AS4875
AS5172
AS5172R0406L
MS24397
MS24397-S2
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
CONNECTION TY
Required Description
STEEL COMP 347 OVERALL
66 FED STD SINGLE MATERIAL RESPONSE OVERALL
PASSIVATE O