Smiths instrument question

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Oct 27, 2016
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Building a Triton and have started to look for instruments, or at least begin to think about them.
Chronos are out due to price.

Thinking of going with the grey faced RSM/SSM type.

My question is, does anyone know what an A suffix means in a gauge number?
For instance.

ssm 5001/00 1600 versus ssm 5001/00A 1600

I would think it's some minor upgrade during the production run, but I have no idea.
Anyone?
Thanks.
 
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Jan 16, 2015
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Building a Triton and have started to look for instruments, or at least begin to think about them.
Chronos are out due to price.

Thinking of going with the grey faced RSM/SSM type.

My question is, does anyone know what an A suffix means in a gauge number?
For instance.

ssm 5001/00 1600 versus ssm 5001/00A 1600

I would think it's some minor upgrade during the production run, but I have no idea.
Anyone?
Thanks.
In my opinion it means the name of the product, SSM as speedos meter.
 

L.A.B.

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My question is, does anyone know what an A suffix means in a gauge number?

I would think it's some minor upgrade during the production run, but I have no idea.

'A' appears to indicate a minor alteration or a later production run so SSM 5001/00A can be used in place of SSM 5001/00.
 
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