There are 3 drawings for part 197927 available in AirCorps Library

Manufacturer's Drawing

Lockheed Corporation,   P-38 Lightning Drawings,   Page: --,   Revision: f  

RING - CANNON BLAST TUBE SEAL

Associated Aircraft:   P-38  

Manufacturer's Drawing

Lockheed Corporation,   P-38 Lightning Drawings, Smithsonian Set 2,   Page: --,   Revision: b  

RING - CANNON BLAST TUBE SEAL

Associated Aircraft:   P-38  

Manufacturer's Drawing

Lockheed Corporation,   P-38 Lightning Drawings, Smithsonian Set 3,   Page: --,   Revision: c  

RING - CANNON BLAST TUBE SEAL

Associated Aircraft:   P-38