Pump discharge nozzle for the Zenith NDIX carburetors as used, amongst others, on various Porsche models.
This is the nozzle that actually discharges the fuel, produced by the pump and its pumpjets, into the air flow.
Please note that this is the SHORT version of this nozzle which is some 16.5 mm long.
A LONG version of 23.3 mm was also used.
These versions are NOT interchangeable.
The LONG version can be found HERE.
Required quantity per carburetor: 2
This is Number 79 in the drawing.