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 7035-01-363-4540
NSN 5999-00-476-5639
NSN 6620-00-252-6425
NSN 5985-01-513-9900
NSN 6610-01-354-3087
NSN 5910-01-628-0595
NSN 7035-01-630-9675
NSN 5990-01-510-4699
NSN 5920-01-291-7672
NSN 6685-00-018-1842
NSN 5965-01-246-6162
NSN 7035-01-127-9019