window hard ware issue

A handy person from Fairfax, VA USA says:
November 6, 2019
Hi,

I need your assist and advice to replace the hardware of my window.
the window sash balance is broken from the bottom and need to be replaced but I don't know which part to choose.
the size window is 5FT x 2.35FT.

Thanks,
Saif
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Tom from SWISCO responded:
November 7, 2019

Hi Saif,

I can't guarantee the correct replacement hardware while it's still installed in the window but your pivot shoe resembles our 15-180. Take a look and see if the width and thickness shown on our product page matches yours. If so, this pivot shoe is compatible with our S190 coil springs. 
Coil Balance Shoe
Coil Balance Shoe
15-180
$3.97
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