Window Coil Spring and Window Pivot

Question

I would like to know the part number for the pictures attached.

User submitted image of their window hardware.

Paul · Accepted Answer

Your coil balance shoe looks similar to our 15-177. This pivot shoe is made to work with our Series 160 (1/2" thick) or Series 165 (3/8" thick) coil springs. Please compare these to what you have and see what you think.