9/16" hex; 3/8" barb x 1/4" pipe
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 5960-01-386-2786
NSN 6105-00-395-7045
NSN 7035-01-421-4446
NSN 6220-00-296-2837
NSN 6150-01-260-1862
NSN 5945-01-399-0608
NSN 5915-01-545-1501
NSN 5960-00-185-5041
NSN 5895-00-479-3673
NSN 4140-01-423-1647
NSN 6220-01-415-5615
NSN 5895-00-629-6502