Id of adapter is tapered from 0.656 in. At first end, t0 0.750 in. At second end
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: Other fittings nesoi of iron or nonalloy steel
NSN 6150-01-414-8802
NSN 5915-00-829-6874
NSN 5990-00-433-3445
NSN 5975-01-059-2705
NSN 5835-00-946-2656
NSN 4140-01-180-1500
NSN 2925-00-909-2596
NSN 6650-00-283-0978
NSN 5999-01-485-1146
NSN 7035-00-150-2379
NSN 6610-00-777-2591
NSN 5835-00-140-8646