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 5920-01-145-8616
NSN 6320-01-116-3980
NSN 5999-01-459-8816
NSN 6150-00-171-9455
NSN 6645-01-364-4042
NSN 6650-01-505-2817
NSN 6650-01-545-8851
NSN 5950-01-317-9359
NSN 5835-01-296-3790
NSN 6110-01-469-6490
NSN 6220-01-151-0835
NSN 4140-00-215-8593