Internal part for crank window

A home owner from Chicago says:
June 27, 2020
Hi. This part connects the crank handle to my bathroom window but it no longer stays inside window mechanism. Some of the threads seem to be stripping so it won't go in all the way. The crank itself seems fine. The window opens upward and says made in USA but no brand name can be seen. Thanks.
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Tom from SWISCO responded:
July 1, 2020

It looks like your worm gear has come out of the operator. Unfortunately, this can't be repaired or replaced. You need an all new operator.

We can help, but I need to see a photo of your operator out of the window. If I can see the whole mechanism in one shot, I should be able to match it up to something in our catalog.
A home owner from Chicago says:
July 1, 2020
Ok, here you go. The operator says Truth 45301 US Pat. 4505601.
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Tom from SWISCO responded:
July 1, 2020

Thanks! This looks similar to our 39-140, but you should check the "elbow to elbow" measurement to ensure that it's the same.

Dimensions for 39-140
Dimensions for 39-140
Dual Arm Crank, 16"
Dual Arm Crank, 16"
39-140
$53.95
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