Wright Brand Window operating hardware

A home owner from Omaha Nebraska says:
The hardware brand is Wright and I'm wanting to replace the hardware that allows the window to open. Inside the window pane has the marking QG-1 ASTM E 774 Class
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Casey from SWISCO responded:

Hello,

Take a look and compare the arm length of our 39-013 and 39-014 operators that we've related for you to your original hardware. Thank you!

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