There are 3 drawings for part 1-20072 available in AirCorps Library

Manufacturer's Drawing

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

ELBOW 1 1/4 HOSE - SPECIAL 30°

Associated Aircraft:   B-17  

Manufacturer's Drawing

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

ELBOW 1 1/4 HOSE - SPECIAL 30°

Associated Aircraft:   B-17  

Manufacturer's Drawing

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

ELBOW 1 1/4 HOSE - SPECIAL 30°

Associated Aircraft:   B-17