There is 1 drawing for part 21-6578 available in AirCorps Library

Manufacturer's drawing for Boeing Aircraft Corporation B-17 Flying Fortress. Drawing number 21-6578
Manufacturer's Drawing
Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: --,   Revision: c  
ANGLE 1/2 X 5/8 X .040
Associated Aircraft:   B-17  

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