National Item Identification Number
00-640-1933
006401933
4730-00-640-1933
4730006401933
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
ER919D12-5
MS21916D12-5
MS21916D12-5
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
CONN
Required Description
ALUMINUM ALLOY OVERALL
ANODIZE OVERALL
MIL-A-8625 MIL SPEC SINGLE TREATMENT RE
