[Milsurplus] BC-611 vibrator supply?

[Tom B]

>I never heard of it.  And would add that I never saw a plug-in vibrator
>through the end of their use that was small enough in diameter to fit into 
>either
>the A or B compartments.  All of the common standard ones are larger in
>diameter than a D-cell.

What is the size of the vibrator for the MAB supply?  That might fit the 
hole but I don't know what kind of battery it would have used.
The MAB battery wouldn't fit.

Tom Bryan