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 5985-01-420-8923
NSN 6645-00-255-6025
NSN 5945-01-401-5323
NSN 5985-01-572-3720
NSN 6110-01-310-7186
NSN 5910-00-797-3869
NSN 6610-01-329-2289
NSN 5965-01-204-8505
NSN 6240-00-991-6929
NSN 5999-01-373-5038
NSN 6645-01-141-7016
NSN 5998-00-390-7694