Drilled for 2 lockwire holes, 0.046 in. Dia
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.
NSN 2925-01-218-5556
NSN 2925-00-860-3652
NSN 6610-01-461-8180
NSN 5960-01-229-6324
NSN 5835-01-128-9331
NSN 5905-01-356-3183
NSN 6145-01-452-9551
NSN 5975-01-306-8710
NSN 5915-01-523-3833
NSN 4140-01-630-7665
NSN 5945-01-304-3959
NSN 5920-01-442-6477