I need to know what parts I should order

A home owner from Westchester, NY says:
In the attached images you will see my broken parts.

The window weighs 6 1/2 lbs.

There is the letter "F" stamped on the spring.
Can you tell me what parts I need to order.

The spring is 1/2" wide
I have several broken window springs like this.
The pivot bars are also broken on a couple of windows.

User submitted photos of a coil window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Peter. For the pivot bar and pivot shoe, see our 26-226 and 15-177, respectively. This kind of spring is no longer available, but I think you could use our S152-6 coil. You will just have to screw it on with the 33-071. Review these suggestions and see what you think.
A home owner from Westchester, New York says:

I ordered all the parts you suggested.

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