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 5835-01-216-1215
NSN 5975-01-212-9822
NSN 5990-01-443-2931
NSN 5945-00-489-1788
NSN 7035-00-286-6221
NSN 5855-00-087-7833
NSN 5935-00-964-8513
NSN 6650-00-056-1581
NSN 4140-01-428-7650
NSN 5998-00-216-2072
NSN 5935-01-269-1123
NSN 6320-00-894-1644