No other part numbers with same form, fit, and function found.
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 5960-01-411-5899
NSN 5999-00-597-5054
NSN 5925-00-018-3225
NSN 5996-01-192-5594
NSN 5910-00-583-1998
NSN 5990-01-443-2931
NSN 6145-01-416-7386
NSN 6135-00-455-2425
NSN 6130-01-634-0603
NSN 5905-00-566-1636
NSN 6105-00-450-7657
NSN 5975-00-598-0159