National Item Identification Number
00-640-7201
006407201
4730-00-640-7201
4730006407201
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
001JK
NSN (National Stock Number) 4730-00-640-7201, 4730006407201 NIIN (National Identification Number) 00-640-7201, 006407201
Part Numbers (Reference Numbers)
AS18280
AS21916
ER919-6D
MS21916D6-4
MS21916D6-4
3100722
3100722
Required Categories
MATERIAL
SURFACE TREATMENT
MEDIA FOR WHICH DESIGNED
CONNECTION TYPE
CONNECTI
Required Description
ALUMINUM ALLOY OVERALL
ANODIZE OVERALL
HYDRAULIC FLUID SINGLE RESPONSE
THREAD