Window world, double hung, vinyl approx 25 x 18.

A handy person from Lynbrook, NY says:
July 10, 2023
1 Sash weighs approx 12 lbs
Window World parts designated as

DH window balances
DH window pivot pins

I need 4 of each
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Emily from SWISCO responded:
July 11, 2023

Hello!

Our 15-177 pivot shoe looks like a match. The Series 152 are the compatible coil springs. As for the pivot bar, see if the specifications of the 26-466 align with your old one. 
Coil Balance Shoe, Slate Blue
Coil Balance Shoe, Slate Blue
15-177
$3.47
Pivot Bar, 2-1/4"
Pivot Bar, 2-1/4"
26-466
$1.92
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