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 6105-01-268-3409
NSN 6130-01-092-2667
NSN 5999-01-059-1545
NSN 5945-01-434-5542
NSN 6135-00-284-1406
NSN 5998-01-448-1362
NSN 6135-01-167-7604
NSN 6685-01-293-5714
NSN 2925-01-628-7580
NSN 7035-00-205-1932
NSN 5990-01-379-8794
NSN 6110-01-533-3862