Size: 11mm-ii; bushing diameter: 0.4331 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 5996-00-700-7645
NSN 5910-01-016-2420
NSN 5935-01-634-0668
NSN 6220-01-537-6224
NSN 6650-01-603-8177
NSN 5935-01-490-6764
NSN 6130-00-251-3411
NSN 5935-01-165-0485
NSN 5998-01-359-1346
NSN 5895-01-633-1999
NSN 6685-00-363-1701
NSN 6320-01-386-3491