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 5996-01-383-4029
NSN 6645-00-256-4072
NSN 5965-01-513-9978
NSN 5895-00-596-8678
NSN 5965-01-418-1760
NSN 6220-01-604-9488
NSN 6150-01-056-6112
NSN 5895-01-468-2831
NSN 6220-01-452-1953
NSN 5925-00-813-5004
NSN 5835-01-005-8564
NSN 6135-00-985-7846