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PTTF Firing Device?

bacarnal

bacarnal

Ordnance Approved/Premium
Ordnance approved
Gentlemen, I have a friend that has what appears to be a PTTF Firing Device, but we can't find it in any publications. Was hoping I could find assistance here.

P8230640.jpg


P8230639.jpg
 
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Bringing this back up to see if anyone has any ideas yet. Thanks, Bruce.
 
What's the diameter . It looks to me like the pyrotechnical self destruct ring of a Russian M1939 37 mm HE shell
 
pzgr40, Diameter is around 2.25"-2.5" or about 57-63mm. Thickness of the two halves put together is about 3/4" or 20mm. Fits in the metal ring shown. Top photo has a inch ruler for comparison. Thanks, Bruce.
 
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