Captive sleeve
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 4140-00-529-7463
NSN 5945-01-421-1808
NSN 5985-01-518-7662
NSN 6320-00-456-0836
NSN 6320-01-466-4175
NSN 5950-01-195-3597
NSN 5950-00-802-7860
NSN 5905-01-367-6364
NSN 5996-01-577-3838
NSN 6610-00-101-9337
NSN 5985-01-626-1868
NSN 6620-01-296-9803