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 6650-01-282-8015
NSN 5930-01-414-4757
NSN 6135-01-304-8652
NSN 5945-00-900-5518
NSN 7035-01-146-7096
NSN 6240-01-461-5966
NSN 6610-00-116-4581
NSN 6645-00-727-1554
NSN 5975-00-076-5709
NSN 5945-01-183-0411
NSN 6145-00-293-5097
NSN 6685-00-737-1959