Please help me identify the replacement operator for this awning window

A quick learner from Northfield, MN says:

Please help me identify the right replacement part. Here are the numbers and such--

1521101 on arm
Andersen 7227 on side arm
High Perfomance CIG-3 3-95.6
2.75" apart screws on operator
probably installed in 1996 (at the same time as the other window that I am asking you to help me identify)
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting. You have an older model awning window. Take a look at our 39-099 and see if this can work for you. I believe this is the newer version.
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