National Item Identification Number
00-278-8867
002788867
4730-00-278-8867
4730002788867
National Stock Number
Item Name
COUPLING,BOSS
Federal Supply Class
4730
Description
A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes items having external threaded connections on both ends.
Commercial and Government Entity Code (Supplier Data)
81343
Reference Numbers (Part Numbers)
AS4875
MIL-F-5509
NAS424-4
NAS424-4C
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
STYL
Required Description
STEEL OVERALL
CADMIUM INSIDE
CADMIUM OUTSIDE
QQ-P-416,TY 2,CL 3 FED SPEC SING