Cleanliness shall be in accordance with mil-c-52211 for oxygen service
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 6105-00-153-0238
NSN 5920-01-385-1188
NSN 6150-01-040-5528
NSN 5910-01-431-7059
NSN 5915-01-292-3367
NSN 5895-00-455-8033
NSN 5996-00-925-1324
NSN 6130-01-229-1052
NSN 6650-01-350-4421
NSN 6105-00-182-5162
NSN 5990-01-437-4876
NSN 6110-01-053-0041