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 5990-01-321-2997
NSN 6150-00-500-3924
NSN 5915-00-737-6207
NSN 5996-01-448-6814
NSN 5925-01-295-0612
NSN 6220-01-483-2807
NSN 6650-00-518-2962
NSN 6135-01-504-4309
NSN 5999-01-146-6758
NSN 6130-00-500-4860
NSN 7035-01-426-4133
NSN 5960-01-399-4327