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 5996-01-522-9470
NSN 6240-01-480-8996
NSN 5895-00-773-2926
NSN 5855-00-560-0110
NSN 5910-00-714-3806
NSN 2925-01-338-7126
NSN 6145-00-263-1855
NSN 5965-00-221-6546
NSN 5996-00-222-6049
NSN 6135-01-215-1245
NSN 6610-01-010-3159
NSN 5998-01-176-0576