Adapter has 0.500 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 5945-00-474-8958
NSN 6135-00-057-2005
NSN 2925-01-400-2286
NSN 5930-01-206-4591
NSN 6105-00-012-8278
NSN 5920-00-408-4423
NSN 5996-01-498-0653
NSN 6685-01-227-2621
NSN 6240-01-400-0570
NSN 5950-01-316-0787
NSN 5910-00-419-0330
NSN 2925-00-833-9466