National Item Identification Number
01-070-3393
010703393
4730-01-070-3393
4730010703393
National Stock Number
Item Name
COUPLING,TUBE
Federal Supply Class
4730
Description
A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes fittings with threaded external connections on both ends. Excludes NIPPLE, PIPE.
Commercial and Government Entity Code (Supplier Data)
76301
76301
14711
Reference Numbers (Part Numbers)
ST7M257
ST7M257-550H312
10A347-550-312
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL CORROSION RESISTING OVERALL
MIL-S-6721,TYPE 321 MIL SPEC SINGLE MATERIAL