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 5965-01-367-6483
NSN 6240-00-477-3027
NSN 5998-01-653-4141
NSN 5996-00-810-9486
NSN 5895-01-140-2106
NSN 5835-00-880-6477
NSN 6110-00-421-7656
NSN 5910-01-462-0401
NSN 5960-00-296-9997
NSN 5925-00-935-5287
NSN 5945-01-611-8460
NSN 5910-01-114-3346