W/lockwire holes
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 5905-01-472-9949
NSN 6320-01-359-3921
NSN 6105-01-578-6551
NSN 5960-01-419-9156
NSN 5990-01-256-8441
NSN 6685-01-398-2756
NSN 5835-01-306-5511
NSN 4140-01-370-7943
NSN 6650-01-421-2370
NSN 5990-01-360-2900
NSN 5960-01-442-7950
NSN 5895-00-855-8307