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 5855-01-510-9416
NSN 6620-01-127-0049
NSN 5999-00-753-1071
NSN 7035-01-432-2424
NSN 6150-00-613-3076
NSN 6220-00-185-6048
NSN 5975-01-545-2573
NSN 5985-01-141-0238
NSN 6645-01-537-6098
NSN 5985-00-280-2190
NSN 5965-01-592-3051
NSN 5925-00-912-2774