Used on grumman a10 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 5998-00-945-0407
NSN 5930-00-220-2283
NSN 5930-01-269-5762
NSN 5895-00-888-4719
NSN 6240-01-539-2806
NSN 6610-01-263-2409
NSN 4140-01-212-8286
NSN 6220-00-419-0635
NSN 7035-00-371-7749
NSN 5835-01-424-0054
NSN 6220-01-300-3643
NSN 6320-00-845-3261