This metal part at the base of my window should go into what I believe is called the pivot shoe, but the end of the part is broken off on one side so it can't make that connection and of course the window won't stay open as a result.
Bob from SWISCO responded:
May 6, 2019
Thanks for writing in to us. see our 26-375 Better Bilt Pivot Bar, along with the 26-016 Spring. See if you think this is what you need.