coil balances for two windows

A home owner from Maplewood, NJ says:
November 15, 2021
On the coil I see stamped "MP" and "90". The windows are inexpensive modern vinyl double hung windows.
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Tom from SWISCO responded:
November 18, 2021

We don't sell these exact parts, but I do believe our best match is the 15-228 pivot shoe, 1/2" thick Series 160 spring, and the 15-150S spring cover. Review the specs we show for these products and let me know if you had any questions.
1/2" Coil Single Support
1/2" Coil Single Support
15-150S
$1.10
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-228
$2.57
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