T shaped Window part for a broken window

A home owner from Washington DC says:
My handyman just asked me to try to find this part for a broken window.
Thumbnail of the uploaded file named window part.jpg
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Tom from SWISCO responded:

Hello! Thanks for contacting us. What you have here is a specific kind of coil balance. We don't have an exact match at the moment, but we're doing our best to track it down. Please give us a little more time and we'll get back to you ASAP.

A home owner from Washington DC says:
Okay thanks
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Tom from SWISCO responded:

Hi there, maybe I can help. We couldn't find an exact match for your part, but I believe you can use our 15-251 single spring window support. It is a little taller than yours, but it should still work. If you need to replace the coil spring, it will be our Series 160. There is a spring weight code stamped on the end of yours that you'll need as a reference.

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How to replace a window coil balance
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