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 5915-00-833-9025
NSN 2925-01-502-2385
NSN 5965-01-063-7894
NSN 5910-00-269-4755
NSN 6110-00-433-8014
NSN 6610-00-951-4451
NSN 5855-00-130-5756
NSN 5835-01-013-0956
NSN 6135-01-218-3660
NSN 6130-01-078-3417
NSN 5960-01-151-0206
NSN 6645-01-495-0939