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 2925-01-446-6976
NSN 6320-01-631-7828
NSN 5855-01-599-9814
NSN 2925-01-327-3069
NSN 6220-01-486-6749
NSN 6220-01-127-0506
NSN 5975-01-656-7758
NSN 6320-01-354-6204
NSN 5996-01-459-8014
NSN 5895-00-625-5424
NSN 5910-00-227-0848
NSN 7035-01-555-8793