Size: 19mm-iii; bushing diameter: 0.748 inch
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 4140-00-097-0167
NSN 6130-00-688-7085
NSN 6320-00-004-9158
NSN 5925-01-097-9960
NSN 6685-01-433-2050
NSN 5910-00-362-6687
NSN 5920-00-232-3703
NSN 4140-00-104-2151
NSN 6610-01-525-8235
NSN 6150-01-235-5930
NSN 6685-01-436-7365
NSN 5910-01-564-3063