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 6620-01-076-8706
NSN 5925-01-302-8954
NSN 7035-01-330-6768
NSN 5985-00-456-8975
NSN 7035-00-402-9426
NSN 5930-00-709-1067
NSN 6620-01-520-7843
NSN 6145-01-225-5344
NSN 5950-00-168-3986
NSN 6105-00-764-6483
NSN 5975-01-141-6889
NSN 6685-01-452-7247