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 6135-01-422-1440
NSN 6685-00-923-4177
NSN 5998-00-223-9806
NSN 5935-01-313-8404
NSN 6685-01-176-9676
NSN 6240-01-341-2102
NSN 6135-01-244-5580
NSN 6145-01-580-5760
NSN 6130-00-923-8467
NSN 5905-00-568-8710
NSN 7035-00-251-8201
NSN 5996-01-054-3226