End item: grumman a-10 aircraft
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 5945-01-210-9051
NSN 5910-01-502-6614
NSN 5985-01-624-9758
NSN 6610-00-110-3594
NSN 6105-01-143-5774
NSN 5950-01-633-4086
NSN 5935-01-167-3231
NSN 6220-01-035-8638
NSN 5855-01-117-7207
NSN 5930-01-646-6576
NSN 5930-01-329-6264
NSN 5920-01-410-7740