Crestline gear for Blaine 2020-1 face mount operators

A quick learner from North Carolina says:
Our complex was constructed in the 60's.

The part #2020-1 is on the cast operator mechanism.
I do not have scan capabilities at this time.

Everyone in our complex is complaining about the teeth being broke off on the gear which prevents the handles from working. Many are elder who finally nailed their windows shut.

Can you help us find the gear replacement?

Thank you....Donna
Profile picture of Tom
Tom from SWISCO responded:
We may be able to help, but I wasn't able to match that number up to anything. Would you be able to show us a picture of the hardware in question out of the window?
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