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 5945-01-010-9573
NSN 6645-01-357-0618
NSN 5930-01-207-1012
NSN 5855-01-575-2235
NSN 6620-00-140-8644
NSN 6620-00-004-5466
NSN 4140-01-609-6895
NSN 6220-01-050-0835
NSN 7035-00-275-5604
NSN 5990-01-236-8399
NSN 5945-00-227-7035
NSN 5950-00-081-1439