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 5996-01-390-8258
NSN 6240-01-237-7454
NSN 5996-01-400-3558
NSN 6135-01-379-1697
NSN 6135-00-321-6707
NSN 5915-01-146-3629
NSN 5920-01-463-8484
NSN 5855-01-191-3404
NSN 5925-01-478-7743
NSN 6240-01-383-7114
NSN 5990-00-636-4218
NSN 5985-00-500-6864