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 5960-01-526-3843
NSN 5835-00-165-3069
NSN 5910-00-499-6330
NSN 5905-01-492-2947
NSN 5915-00-706-9397
NSN 6130-01-062-1640
NSN 2925-00-336-8364
NSN 6320-01-326-1316
NSN 5930-01-083-1893
NSN 5905-00-552-5479
NSN 5975-01-252-8377
NSN 5935-01-415-8606