Matl is monel
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.
Classification: Copper alloy tube or pipe fittings
NSN 6105-01-069-6302
NSN 5960-01-487-6436
NSN 5965-00-996-3541
NSN 5905-01-306-9013
NSN 5855-01-530-4147
NSN 6130-01-440-9295
NSN 6145-01-466-3138
NSN 5915-01-155-6230
NSN 5835-00-286-5432
NSN 5835-00-905-7165
NSN 6610-00-231-9651
NSN 5975-01-361-8080