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 5999-01-063-7408
NSN 6240-01-641-7481
NSN 6685-01-243-1265
NSN 5990-01-063-2532
NSN 6240-00-824-2146
NSN 5965-00-679-5626
NSN 6320-01-006-6138
NSN 6220-01-654-0007
NSN 6650-01-135-7472
NSN 6320-00-174-1362
NSN 5915-01-322-8226
NSN 5985-01-441-3125