National Item Identification Number
00-978-6983
009786983
4730-00-978-6983
4730009786983
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)
MIL-F-18280B
MS21916-16-10C
MS21916J16-10
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
CONNECTION TY
Required Description
STEEL COMP 304 OVERALL
QQ-S-763,CL 304 COND B,AND QQ-S-763,CL 316,COND B FED SP