Searching for andersen sash balance 10-8016.5a

A quick learner says:
August 9, 2021

Called Andersen and based on the "SO#" was told they would send me a replacement set of"sash balances, part# 10-8016.5a"

I need many more for the apartment complex I own.

Internet and your search find nothing conclusive.

Based on pic of label, and window... what are the Balances I need?

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Tom from SWISCO responded:
August 16, 2021

Thank you for your patience during this busy season. Your pivot shoe appears to be a match for our 15-228, which itself is compatible with both the 1/2" thick Series 160 an 3/8" thick Series 165 coil balances. You will need to measure your old coils to determine which one will be best for your window.
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-228
$2.57
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