First end is tapped internally, 1/2-14 npt thds
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has standard hose threads, an incomplete part of a threaded end connection that grips the hose directly, or is unthreaded and designed to accommodate a hose. It is designed to join a pipe or pipe fitting to a hose or hose fitting in a straight line.
NSN 6620-01-576-3717
NSN 5960-01-115-6840
NSN 6650-01-521-7872
NSN 5990-01-055-4012
NSN 5975-01-426-8968
NSN 6645-00-230-4396
NSN 6685-01-319-9164
NSN 5996-01-193-1475
NSN 6145-01-401-3713
NSN 6610-01-504-7622
NSN 5990-01-432-4984
NSN 5935-00-224-1735