Part number Identification for double hung windows

A handy person from 48168 says:
May 20, 2018
I have attached the pictures of a same window, showing upper and lower portion. The circled pictures show the closeups of the parts I need to be identified to order. Please advise. Thanks.
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Paul from SWISCO responded:
May 24, 2018

This hardware you are showing us comes from a Metal industries tilt window. Look at the detailed list of the parts you will need to replace the coil balance system on this page. Our Series 190 coil springs are used with these parts. In order to choose the correct one, we will need for you to get back to us with the stamped number on the end of the coil. 
Coil Balance Shoe
Coil Balance Shoe
15-180
$3.97
Balance Bushing
Balance Bushing
15-182
$1.80
Coil Balance Clip
Coil Balance Clip
15-186
$5.05
How to replace a window coil balance
How to replace a window coil balance
VIDEO
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How to remove window pivot shoes
How to remove window pivot shoes
VIDEO
WATCH >
Anatomy of a tilt window
Anatomy of a tilt window
VIDEO
WATCH >
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