SWISCO - The Replacement Hardware Authority

new operator crank

A quick learner says:
Need help getting the correct crank replacement for my aluminum awning style casement window. The home was built in 1948. I'm not sure if the window is original. I can't find any markings or names on the crank or the window.
User submitted photos of a window operator.
Profile picture of Dave
Dave from SWISCO responded:
Thank you for the detailed images! They are a huge help. Take a look at our 39-350 and see if that is a match for your operator. Compare all the dimensions with your sample to be sure.
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