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 6135-01-142-6456
NSN 6620-01-423-0833
NSN 5930-00-278-7731
NSN 5930-01-280-9201
NSN 5925-01-626-2112
NSN 6650-00-245-8442
NSN 6130-01-483-5030
NSN 5999-00-249-6648
NSN 5960-01-180-4350
NSN 5895-01-420-6197
NSN 5935-00-643-7460
NSN 5905-01-041-3313