There are 2 drawings for part 620582 available in AirCorps Library

Manufacturer's Drawing

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

BOLT - HEX HEAD NO 1BA-28.2 THD

Associated Aircraft:   V-1650  

Manufacturer's Drawing

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

BOLT - HEX HEAD NO 1BA-28.2 THD

Associated Aircraft:   V-1650