Tube end also threaded ext pipe 3/8-18
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.
Classification: Stainless steel tube or pipe fittings nesoi
NSN 6135-01-294-1280
NSN 6645-00-296-8310
NSN 5965-01-323-7225
NSN 6320-01-426-8947
NSN 6105-00-449-1124
NSN 5835-01-123-8305
NSN 5895-01-095-7045
NSN 5895-00-671-5324
NSN 5930-00-430-2246
NSN 6610-00-250-5344
NSN 5999-00-025-9957
NSN 6620-01-417-3314