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 5905-00-272-9259
NSN 5945-01-602-9354
NSN 5996-01-293-7370
NSN 5855-00-973-5717
NSN 6685-00-596-8765
NSN 6320-01-631-7828
NSN 6240-01-610-8705
NSN 5985-00-106-3585
NSN 6610-01-524-7068
NSN 5905-00-630-2085
NSN 6610-01-192-6478
NSN 7035-01-398-3494