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 5945-01-264-1878
NSN 6150-00-596-8766
NSN 6110-00-858-6770
NSN 6135-01-226-4071
NSN 5835-01-347-8714
NSN 5910-01-126-7779
NSN 5935-00-919-0655
NSN 4140-00-776-5906
NSN 6320-01-054-3046
NSN 5990-00-022-2957
NSN 5930-00-010-0553
NSN 5965-01-592-3051