Andersen Awning Operator

It is 9 inch from screw to round area on crank. I just can't find the crank with the screw on right that slides in limiter. I need the crank. I have handle in cart

It is the plastic piece that attaches to the window that is broken.

This is from an old Anderson awning window. I don't need the folding handle if is discontinued, any handle would work. But I cannot find the operator. Both items are stripped and just spin.

Pics to illustrate what I need to source for replacement!!Maybe Andersen brand? Others in our building are, this one I don't see a brand name on. Numbers are for what I can access.Operator base mechanism # C-9400-1; crank arm # 136158ST (A?) + 1361356WH (below upper #, not entirely legible); operato ... (cont.)

Good morning, I ordered (2) 39-099 Andersen operators because they had the same arm size as my original at 9", and the same housing. We did not know they would not work on a casement window. In speaking to customer service, the closest alternate option would be the 39-331 / 39-332, but we need a ... (cont.)