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.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6650-01-392-8086
NSN 4140-01-252-8432
NSN 5920-01-105-8996
NSN 5985-01-128-5019
NSN 7035-01-339-3665
NSN 5905-00-009-9955
NSN 5996-01-279-0143
NSN 5905-01-303-5617
NSN 5930-00-287-0983
NSN 6150-01-649-1513
NSN 5945-01-143-1021
NSN 5915-00-603-9538