National Item Identification Number
00-720-3985
007203985
4730-00-720-3985
4730007203985
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)
Reference Numbers (Part Numbers)
AS21916-6-4S
MILF18280
MS21916-6-4S
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 347 OR
STEEL COMP 316 OVERALL
66,AISI 347/SAE 30347 FED STD 1ST MAT