Window crank for old metal window

A quick learner says:
My window crank just spins now with no friction or window movement. Looking to replace the mechanism.
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at our 39-344 Fenestra replacement operator and check to see if you have the same face mounting holes at 4-1/4" (measured on centers). Let me know!
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