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 5999-00-078-9890
NSN 5855-00-411-8688
NSN 6685-01-612-8291
NSN 5975-01-155-0136
NSN 5975-01-607-2627
NSN 5835-01-373-9506
NSN 5960-01-420-1251
NSN 6610-01-048-9022
NSN 5920-01-437-9338
NSN 7035-00-727-4068
NSN 5990-01-384-9747
NSN 5950-00-854-7142