With internal hex head
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 6650-01-252-5428
NSN 5935-01-382-8190
NSN 5965-00-088-1722
NSN 5915-01-190-9476
NSN 5960-00-367-3735
NSN 6620-00-993-9564
NSN 6620-00-494-1428
NSN 5905-01-463-2497
NSN 5960-00-127-5594
NSN 6610-01-240-6629
NSN 5945-00-878-5353
NSN 5965-01-528-6453