National Item Identification Number
01-521-6919
015216919
4730-01-521-6919
4730015216919
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)
81343
Reference Numbers (Part Numbers)
AS5179T06
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNF
0.563 INCHES
18
3B
RIGHT-HAND
TITANIUM ALLOY OVERALL
AMS4928, TYPE 6AL