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 5915-00-890-0929
NSN 6110-01-354-9570
NSN 5895-00-021-3539
NSN 5999-01-050-9496
NSN 5915-01-503-2305
NSN 5960-01-141-3252
NSN 5965-01-415-0872
NSN 6240-01-414-3873
NSN 5895-00-483-7815
NSN 5935-00-816-9923
NSN 6220-01-179-6242
NSN 6610-00-641-3015