National Item Identification Number
00-640-5041
006405041
4730-00-640-5041
4730006405041
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
R1120
00624
03647
81343
Reference Numbers (Part Numbers)
AS18280
AS21915
ER894D8-4
MS21915D8-4
MS21915D8-4
MS21915D8-4
MS21915D8-4;
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
ALUMINUM ALLOY 2024 OVERALL
QQ-A-225/6,T6,T62,T851 FED SPEC SINGLE MATERIAL RES