National Item Identification Number
00-278-6157
002786157
4730-00-278-6157
4730002786157
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)
AN893-23
AS5172-1220L
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
MEDIA FOR WHI
Required Description
STEEL COMP 1137 OR
STEEL COMP 1141 OVERALL
QQ-S-637 FED SPEC SINGLE MATERIAL R