A fitting with pipe threads having a female connection inside of a male connection, used in conjunction with another fitting, to connect in the same line, two pipes of different sizes.
NSN 5905-01-519-9021
NSN 7035-01-013-0092
NSN 5960-00-734-1828
NSN 6685-00-590-6522
NSN 6105-00-929-4385
NSN 5960-01-462-1864
NSN 5855-01-149-4110
NSN 5945-01-260-5301
NSN 5915-00-738-5596
NSN 5945-01-486-6977
NSN 5945-01-488-2867
NSN 6240-01-067-1494