SWISCO - The Replacement Hardware Authority

Replacement crank needed for American Craftsman casement window

A quick learner from Ballwin MO says:
Please help me to identify which replacement crank would work on my American Craftsman casement window purchased in 2008. The only numbers I can find on the broken crank are 2108. Attached are four photos which I hope will be a help in identifying the right part. Thanks, Lynda
User submitted image of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello, Lynda! Assuming the spline size is 11/32" in diameter, I recommend our 39-205.
A quick learner from Ballwin, MO says:
Thank you for the advice, Paul. I know need to ask what the spline is and if there is any special way to measure it. :)
Profile picture of Tom
Tom from SWISCO responded:
You should be okay just measuring the diameter of the hole in the handle that fits over that stem. Here it is on the 39-205.
View of the gear hole
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