Tape spring window replacement part

A quick learner from Minneapolis MN says:
September 1, 2018
I am wondering how to replace these springs that are housed inside the window under a plastic casing. There are two per windows to assist opening the windows.
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Paul from SWISCO responded:
September 7, 2018

It seems you have a Simonton window. We believe these windows can use our 15-199 pivot shoe with 3/8" wide coil springs, such as the Series 165. You will need the spring weight number stamped on your coil spring in order to pick the appropriate part. We also offer a nylon spring cover that can hold all three springs in place; our 15-205. Take a look and let us know if you have any further questions.
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-199
$3.70
3/8" Egress Coil Triple Support
3/8" Egress Coil Triple Support
15-205
$2.10
Tilt Window Latch, Left Hand
Tilt Window Latch, Left Hand
26-243
$2.70
Tilt Window Latch, Right Hand
Tilt Window Latch, Right Hand
26-244
$2.70
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How to Replace a Triple Coil Balance System
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