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 5855-00-688-9954
NSN 6620-01-451-3742
NSN 6620-01-436-2715
NSN 5855-01-304-3064
NSN 5996-00-231-9322
NSN 5925-01-250-1035
NSN 5855-01-607-6521
NSN 6145-00-253-2787
NSN 5990-01-517-7848
NSN 2925-00-724-9252
NSN 6610-00-103-1196
NSN 5855-01-242-2572