Window parts

A quick learner from Minnesota, USA says:
Hello, I'm hoping you can find the coil I need for my window sash part!
Below is all the info on the piece, I do not have any info on the window.

Pat. 6,983,513
5,371,971
1 1/4" wide
9/16" thick
1 1/2" tall

Coil diameter is 1 1/4" and has a half loop on the end to hook into the window lock piece

Thanks!
Thumbnail of the uploaded file named image.jpg
Thumbnail of the uploaded file named image.jpg
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Casey from SWISCO responded:

Hello

Based on your photos, I'd recommend the 15-177 pivot shoe and the 1/2" wide Series 152 coil springs. These work a little differently than your old springs because ours use a screw to attach to the shoe instead of hooking onto it but it should still work.

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