Aluminum housing 



Firing pin piston/cylinder 



Lead cup (CH-6) 

 Lead block (CH-6) 



Nitrogen 



Inf lator 



Solenoid valves 



Gold shear disk 



MK43 Mod 1 detonator 



In-line-out-of-line plunger 



Figure 9. Schematic of the safe and arm device. 



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