Anderson window parts.

A home owner from Ohio says:
These pics are the crank parts for Anderson casement windows installed in my house that was built in 1977. I need to replace them, what parts do I order?
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Tom from SWISCO responded:

I believe you could use either our 39-150 or 39-094, depending on what size arm you have. Look these two parts over and let me know if you had any questions about them.

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