Crank is stripped

A home owner from Oakbrook, IL says:
Crank is stripped & slips while cranking & won't shut window
Please confirm the replacement I will need to purchase.
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at SWISCO product code 39-013, casement operator, to see if it matches up to the one in your photo. You would need to remove it completely from the window to positively identify the part.
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