National Item Identification Number
01-048-3530
010483530
4730-01-048-3530
4730010483530
National Stock Number
Item Name
LOCKNUT,TUBE FITTING
Federal Supply Class
4730
Description
An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
AN6289-24J
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UN
1.875 INCHES
12
3B
RIGHT-HAND
STEEL CORROSION RESISTING OVERALL
A391 TU