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 5975-01-262-0967
NSN 5920-01-602-8460
NSN 5925-01-028-2782
NSN 5990-01-057-4191
NSN 5960-01-589-6846
NSN 5930-01-560-0629
NSN 5945-01-124-6781
NSN 6620-01-610-5081
NSN 5996-01-472-9419
NSN 2925-00-017-9807
NSN 4140-00-144-6833
NSN 5905-00-688-5449