There are 2 drawings for part 64-1831 available in AirCorps Library

Manufacturer's Drawing

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

NOSE INST. STA. 1 - 3 WING

Associated Aircraft:   B-17  

Manufacturer's Drawing

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

NOSE INST. STA. 1 - 3 WING

Associated Aircraft:   B-17