Survivor model 5600 double hung window coil supports system

A handy person from Buffalo NY says:
Coil separated from Pivot Shoe, would like whole assembly also extras for spares.
The one needed is marked 7R. would need spares for right and left sides

Window make and Model - SURVIVOR 5600 Series DH
Thumbnail of the uploaded file named Window Balance Coil.jpg
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Emily from SWISCO responded:

Thank you for reaching out to us! Our 15-087 pivot shoe which uses the Series 180 coil springs would be my pick. Based on the 7 stamp, you will need the S180-7 7-pound coil spring. Take a look and let me know if you have any questions. 

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