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 5950-01-627-6103
NSN 6105-00-651-4868
NSN 6610-00-906-5723
NSN 5990-01-607-9433
NSN 6685-01-364-0192
NSN 6320-01-465-2028
NSN 5990-01-003-4209
NSN 5930-01-386-5571
NSN 6620-00-053-2850
NSN 6150-00-976-3512
NSN 6135-01-235-4168
NSN 5920-01-220-1911