20755 on the top bar and 06N3 or 06N8 on the lower bar. Need the entire hardware set as the crank screw is stripped. I can open the window, but I can't close using the crank.
Casey from SWISCO responded:
March 20, 2017
Take a look at SWISCO part numbers 39-155 and 39-156 to start out. Compare the measurements to confirm that they're a good match.