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 5975-01-383-7008
NSN 6685-01-407-5497
NSN 6110-00-271-9928
NSN 7035-01-479-0813
NSN 2925-00-136-2612
NSN 5925-00-683-7877
NSN 6240-01-327-3239
NSN 5915-00-346-4697
NSN 5930-01-573-3221
NSN 4140-01-052-1378
NSN 5920-01-256-5830
NSN 6620-01-167-0881