Color blue
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: Articles of aluminum nesoi
NSN 6110-00-012-2734
NSN 5910-01-163-3943
NSN 5950-01-521-3985
NSN 6645-01-103-0901
NSN 5996-00-977-2962
NSN 6685-01-121-0572
NSN 6130-00-108-6115
NSN 5975-00-004-9431
NSN 2925-01-446-6976
NSN 6220-01-312-2035
NSN 7035-01-633-9537
NSN 5985-00-239-2146