No other part numbers with same form, fit, and function found.
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 4140-00-017-2548
NSN 5915-01-417-6979
NSN 5975-00-164-3914
NSN 6685-01-184-5209
NSN 6650-00-045-4362
NSN 5945-01-594-7192
NSN 5910-01-575-8889
NSN 6145-01-196-8079
NSN 6685-00-003-3378
NSN 6130-01-477-4352
NSN 5835-01-026-0670
NSN 5960-01-436-0349