Adapter has 0.562 in. Wrenching flats
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 5930-01-218-5378
NSN 6220-01-285-0199
NSN 5945-01-276-0611
NSN 5920-00-074-4654
NSN 5835-01-392-7683
NSN 5990-01-537-1124
NSN 5835-01-495-0595
NSN 5998-00-553-5025
NSN 6650-01-355-2964
NSN 5945-00-894-0569
NSN 5999-01-492-9789
NSN 5905-01-350-8480