1/4 inch npt male x 3/8 inch tube
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.
NSN 5999-00-157-4435
NSN 6320-01-607-0347
NSN 5920-01-181-1579
NSN 5990-01-150-7443
NSN 6220-01-596-0715
NSN 6320-01-335-8336
NSN 6620-01-249-8696
NSN 5999-01-618-0559
NSN 5960-01-143-1202
NSN 5835-01-538-8080
NSN 5985-01-068-2744
NSN 5996-01-426-8531