Bracket to connect operator arm to SilverLine 3150 window sash

A quick learner from New Jersey says:
The window I have is a SilverLine 3150 C2. The stud on the window bracket broke off. I need a new bracket but do not know the name or part number. The window cranks open to the right when looking from inside. Any assistance is appreciated.
Thumbnail of the uploaded file named Bracket-without-operator_arm.jpg
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Bob from SWISCO responded:

Thanks for posting. See our 39-513. Compare with your old part and see if you think this is what you need.

Connecting a casement window operator to stud bracket
Connecting a casement window operator to stud bracket
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