this is a crank for a Wright casement window part # 7702

A quick learner from Scarborough, ME says:
This is a crank assembly with 7 inch arm for a Wright casement window part #7702. The window opens to the right when inside the house. The window could date back to 1994 when the house was built.
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Emily from SWISCO responded:

Hello!

I recommend you start by taking a look at our 39-254E and 39-255E operators. Carefully look over our dimensions and compare them with your original assembly to see if these match what you need. 

Anatomy of a casement window
Anatomy of a casement window
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