Special tube size
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 6650-00-001-5407
NSN 5925-00-156-4044
NSN 5990-00-874-3036
NSN 6610-00-542-6307
NSN 5915-00-284-5430
NSN 5999-01-658-1621
NSN 6220-01-316-5355
NSN 6650-01-612-1832
NSN 5905-00-776-0959
NSN 5855-01-224-7975
NSN 7035-01-562-8692
NSN 4140-01-495-0538