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 5895-00-799-3767
NSN 6130-01-525-8269
NSN 5985-00-802-6475
NSN 5990-01-255-7387
NSN 2925-01-532-8445
NSN 5835-00-226-6038
NSN 6685-00-868-2947
NSN 6145-00-269-4271
NSN 5998-01-501-9422
NSN 5930-00-389-9275
NSN 5910-01-412-9215
NSN 5996-01-461-2694