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AZ23 umg.m.2V

jvollenberg

Well-Known Member
Ordnance approved
Question on this fuze:

I understand the umg stands for a variation of ... what do the other markings stand for?

Is the correct nomenclature for this fuze AZ23 umg.m.2V or something else?


Joe
 

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Your nomenclature is correct. umg stands for "umgendert" = modified. This is a development of the normal long A.Z.23.
m.2 V stands for "mit 2 Verzgerungen" = with 2 delays. This fuze has 2 delays to select; 0,2 and 0,8 seconds.
The "normal" A.Z.23 umg has only one 0,15 sec. delay.
 
How about the other side stampings

I know RH stands for Rh stands for Rheinmetal and S for Sommerda. It was made in 1939. But what about the 327 and the 4b?

Joe
 
I think 4b is batch number and 327 a running serial number in this batch.
 
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