There are 2 drawings for part 21-8777 available in AirCorps Library

Manufacturer's Drawing

Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: 1,   Revision: c  

SHACKLE 3/16 PIN - SAFETY

Associated Aircraft:   B-17  

Manufacturer's Drawing

Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: 2,   Revision: c  

SHACKLE 3/16 PIN - SAFETY

Associated Aircraft:   B-17