Replacement Crank Assembly Needed

A quick learner from Grand Rapids MI says:
Hi, This looks kind of like EntryGard Dual Arm Operator
Product Code: 39-031...but the numbers on the device dont seem the same.
Can you help me out with this?
Thanks, Dave
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Dave. Our numbers wouldn't match the stamps on your hardware. Just make sure the style and dimensions are the same, as shown in the pictures on the 39-031 store page.
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