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 5950-01-570-4438
NSN 5895-00-770-8445
NSN 6145-01-026-0030
NSN 2925-00-453-4100
NSN 6685-01-442-2382
NSN 6620-00-224-7739
NSN 5930-01-133-4291
NSN 5950-01-427-3723
NSN 5965-01-626-2130
NSN 5895-01-575-2267
NSN 6150-01-649-7349
NSN 5999-01-260-2180