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 6685-01-283-7960
NSN 6685-00-189-8639
NSN 5965-00-995-2075
NSN 5915-00-869-4868
NSN 6135-01-384-7155
NSN 6240-01-339-5100
NSN 5895-00-001-3631
NSN 6150-01-049-1728
NSN 6145-01-523-7322
NSN 6135-01-252-0315
NSN 6650-01-048-3791
NSN 5985-00-753-1397