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 6685-01-173-8846
NSN 5905-01-652-0192
NSN 6130-01-196-4110
NSN 5855-01-121-8862
NSN 5990-01-414-7618
NSN 6130-01-350-3585
NSN 5935-01-439-6802
NSN 6135-01-252-0315
NSN 6320-01-313-2709
NSN 6650-00-624-3686
NSN 5905-01-163-3109
NSN 5985-01-256-2547