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 5925-01-499-5669
NSN 5998-00-595-5952
NSN 5960-01-632-6576
NSN 5925-00-219-2908
NSN 6110-01-376-8483
NSN 5895-01-503-3697
NSN 7035-01-497-8958
NSN 6610-01-061-8466
NSN 5965-01-522-4632
NSN 6610-01-213-5782
NSN 6320-00-572-3542
NSN 5855-01-366-2040