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 6220-01-422-2585
NSN 5965-00-791-0964
NSN 5835-01-497-5029
NSN 6130-01-487-7473
NSN 5960-01-025-9388
NSN 5905-01-403-2806
NSN 6150-00-144-7115
NSN 6685-01-170-2256
NSN 5999-00-244-1981
NSN 5945-01-449-7166
NSN 6240-00-850-4280
NSN 2925-01-109-7177