National Item Identification Number
00-640-7200
006407200
4730-00-640-7200
4730006407200
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)
001JK
NSN (National Stock Number) 4730-00-640-7200, 4730006407200 NIIN (National Identification Number) 00-640-7200, 006407200
Part Numbers (Reference Numbers)
ER919D8-4
MS21916D8-4
3100738
3100738
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
CONNECTION TY
Required Description
ALUMINUM ALLOY 2024 OVERALL
QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERAL