Replacement balance spring for Simonton dbl hung window right side

A quick learner from Sunset Beach, NC says:
Simonton dbl hung window, right side, purchased in Feb. 2008.
On the plastic housing is stamped "Part# 801020.

I will need the whole package (housing, with springs, and shoe)

Thank you,
Jim
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Jim. The Coil springs look like our Series 160 (1/2" wide). Check it out and see if you agree. The broken housing looks like our 15-150D and finally the shoe closely resembles our 15-111 pivot shoe. Carefully compare this hardware to your own and let me know what you think.
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