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 6685-00-153-3914
NSN 6240-00-280-0186
NSN 6685-00-204-6037
NSN 5999-00-172-0985
NSN 6150-00-227-2424
NSN 5950-00-692-3126
NSN 5915-01-506-9829
NSN 4140-01-440-2353
NSN 5985-01-395-5039
NSN 5990-00-238-3333
NSN 5990-01-434-3469
NSN 6110-01-359-8317