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 6645-01-514-3353
NSN 7035-01-582-2242
NSN 5925-01-462-7251
NSN 5999-00-083-6833
NSN 6145-00-490-9180
NSN 5990-01-591-8797
NSN 6110-00-913-2574
NSN 6110-00-407-6829
NSN 5855-01-455-3317
NSN 5999-01-411-4352
NSN 5965-01-479-0744
NSN 5935-01-023-1590