Threaded internal reducer bushing; muff
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 6610-00-862-3597
NSN 5985-00-446-6132
NSN 5920-00-974-4381
NSN 5920-00-185-6664
NSN 5855-01-147-6024
NSN 5975-01-512-4783
NSN 5960-00-187-0429
NSN 6650-01-585-1716
NSN 5925-01-338-7342
NSN 6130-01-287-2015
NSN 4140-01-469-5710
NSN 5999-00-021-6345