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 5905-00-403-8844
NSN 2925-00-707-6770
NSN 6110-01-546-3501
NSN 6110-00-647-3932
NSN 6320-00-405-2348
NSN 5910-00-256-2593
NSN 6650-00-084-4258
NSN 6610-01-464-2683
NSN 5960-00-584-4553
NSN 5998-01-147-0040
NSN 5835-01-216-7289
NSN 6645-00-233-4286