A quick learner says:
July 20, 2016
Hi, I have a crank window # 40754 and the white handle # 40085. don't know the brand. do you carry those parts. thank you
Tom from SWISCO responded:
July 21, 2016
I see you were looking at our 39-156. Is that he operator you have? How do our pictures and dimensions match up to yours? Do they differ in any way? If they're different, please remove your operator from the window and show us a picture so that we can find a better match.