casket window crank

A home owner from 80550 says:
on the under side of the thicker arm is 41012. The thinner arm has 31876

on the housing underneath is:
made in the USA and a date of 07/10/01 11:34

Hope this helps
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Casey from SWISCO responded:

Hello,

Take a look and compare the 39-253LB and 39-253RB Encore operators, which use the 39-529 track slider, to your hardware. Thank you!

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