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 5945-01-436-8263
NSN 5895-01-467-2886
NSN 6220-01-551-1681
NSN 5915-00-167-0306
NSN 5960-00-320-3093
NSN 5996-01-134-9922
NSN 5920-01-466-3162
NSN 6240-00-234-5781
NSN 5990-01-195-3693
NSN 6105-01-254-2722
NSN 5930-01-331-7000
NSN 5985-01-078-6821