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 5965-00-126-8401
NSN 5930-01-542-2841
NSN 6645-00-574-9712
NSN 5985-01-095-4710
NSN 5935-00-913-4659
NSN 6105-00-945-2339
NSN 5915-01-429-9287
NSN 2925-00-805-6481
NSN 5960-01-075-5861
NSN 5990-00-147-3144
NSN 6240-00-517-7053
NSN 5895-01-550-5565