Hexagon end has uns 0.375-27 internal threads to a depth of 0.390
An item having wrenching facilities on one end and a threaded connection of one type within an externally threaded connection of another type. One connection must have machine threads not designed for any type of tube or tube fitting.
Classification: Copper alloy tube or pipe fittings
NSN 5950-01-047-8961
NSN 5960-01-373-7317
NSN 6240-01-157-9128
NSN 5855-01-509-3781
NSN 6145-00-756-2963
NSN 6105-01-444-1201
NSN 6240-00-422-1278
NSN 6650-00-006-9650
NSN 6110-01-372-4224
NSN 5990-01-242-9653
NSN 5925-01-540-3872
NSN 5998-01-431-7010