There are 2 drawings for part 621668 available in AirCorps Library

Manufacturer's Drawing

Packard,   Packard V-1650 Merlin Drawings,   Page: --,   Revision: hh  

TUBE - SPEED DENSITY CARBURETOR TO INJECTOR FUEL

Associated Aircraft:   V-1650  

Manufacturer's Drawing

Packard,   Packard V-1650 Merlin Drawings,   Page: --,   Revision: kl  

TUBE - SPEED DENSITY CARBURETOR TO INJECTOR FUEL

Associated Aircraft:   V-1650