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 2925-00-103-6822
NSN 5835-00-949-3018
NSN 5985-01-116-0810
NSN 6320-00-116-3658
NSN 5950-00-132-6900
NSN 6150-00-254-9971
NSN 6145-01-031-6739
NSN 6240-01-093-8298
NSN 6135-01-581-8163
NSN 6135-00-702-2772
NSN 5835-01-281-9662
NSN 5990-01-094-7740