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 6130-00-107-8839
NSN 6130-00-769-9624
NSN 5895-00-247-5490
NSN 5905-01-555-4357
NSN 6110-01-098-5739
NSN 6240-01-502-1211
NSN 6135-00-982-1882
NSN 5998-01-232-6191
NSN 5910-01-196-6153
NSN 5835-00-153-4100
NSN 5930-01-547-1855
NSN 6130-00-499-8950