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 6110-01-412-9334
NSN 7035-01-584-5655
NSN 5925-01-555-8524
NSN 5965-01-035-0415
NSN 5945-01-459-7354
NSN 6105-01-330-6696
NSN 6130-00-013-1029
NSN 6110-01-121-8318
NSN 5835-01-632-6627
NSN 5935-01-269-0385
NSN 5920-01-519-0756
NSN 6620-01-391-7331