There are 2 drawings for part 620109 available in AirCorps Library

Manufacturer's Drawing

Packard,   Packard V-1650 Merlin Drawings,   Page: --,   Revision: n/a  

SCREW - SUPERCHARGER SECOND STAGE DIFUSER RETAINING

Associated Aircraft:   V-1650  

Manufacturer's Drawing

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

SCREW - SUPERCHARGER SECOND STAGE DIFUSER RETAINING

Associated Aircraft:   V-1650