National Item Identification Number
00-203-3137
002033137
4730-00-203-3137
4730002033137
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
76301
Reference Numbers (Part Numbers)
AS4875
MIL-F-5509
NAS424-12D
53E300125-25
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
STYL
Required Description
ALUMINUM ALLOY OVERALL
ANODIZE OVERALL
MIL-A-8625 MIL SPEC SINGLE TREATMENT RE