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 5945-01-073-6605
NSN 5996-01-304-3732
NSN 5920-01-346-8597
NSN 5855-00-631-4565
NSN 6130-01-146-8105
NSN 5895-01-125-8022
NSN 5855-01-569-4057
NSN 2925-01-285-0919
NSN 6135-01-056-4609
NSN 6240-00-583-9863
NSN 5910-01-633-9963
NSN 6145-00-212-0422