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 5935-00-589-7853
NSN 5915-01-228-8278
NSN 5930-01-604-7371
NSN 5920-01-145-3150
NSN 6105-01-583-9027
NSN 5925-01-297-0801
NSN 5998-01-073-7374
NSN 5985-00-708-7245
NSN 5930-00-129-6675
NSN 5835-01-321-7895
NSN 5998-01-364-3270
NSN 6150-00-804-4336