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 6135-01-156-4627
NSN 6650-01-004-1625
NSN 5950-01-441-3110
NSN 5975-00-393-1269
NSN 4140-01-148-9867
NSN 2925-01-490-3884
NSN 5915-00-430-4203
NSN 5950-01-527-2755
NSN 5895-00-240-5651
NSN 5950-01-005-8260
NSN 5998-00-989-9123
NSN 6105-01-401-5361