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 5930-00-078-7826
NSN 5950-01-516-4260
NSN 6620-01-149-8892
NSN 5945-01-451-4305
NSN 2925-01-394-9658
NSN 5945-00-257-7229
NSN 5920-01-477-7221
NSN 4140-00-155-8012
NSN 6685-00-870-7726
NSN 6320-00-521-9350
NSN 6110-00-260-0130
NSN 6620-01-633-8443