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 7035-00-497-8784
NSN 6105-01-556-7994
NSN 5895-00-200-7114
NSN 5855-01-400-1590
NSN 6135-00-078-9931
NSN 5935-00-778-2976
NSN 5925-01-611-2749
NSN 5835-00-341-5441
NSN 5910-00-947-5707
NSN 5930-00-330-5806
NSN 5990-01-514-8708
NSN 6130-00-391-5941