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 6220-00-101-8799
NSN 5965-01-134-8078
NSN 4140-01-442-8120
NSN 5998-01-034-9809
NSN 6150-01-640-6931
NSN 5895-01-505-8203
NSN 5935-01-438-0735
NSN 6620-00-273-8735
NSN 5985-01-396-1108
NSN 6645-01-512-2260
NSN 5915-01-483-6709
NSN 6105-00-893-3139