GA Spiral Balance Replacement clip

A home owner from Edmond, OK says:
I have a General Aluminum window with (we think) a 29" spiral balance casing that has missing clip/cover on both sides so the window will not stay in place when opened. I've attached a photo of the part from a working window that isn't on the broken window, stamped with a #63. Can you advise what this part is to order? Thank you!
Thumbnail of the uploaded file named 75008320-C2AA-4FB0-A263-0271EECF9034.jpeg
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Casey from SWISCO responded:

Hello,

I can't say for sure without seeing the part you need removed from the window but you can start by comparing our 17-052 bracket to yours and see if it may be a match. Thanks for posting!

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