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.
Dave Sr. from SWISCO responded:
March 26, 2015
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.