Double Hung Window Pivot Shoe

A quick learner from Indiana says:
May 19, 2015
I have a Double Hung Window with pivot shoes that need replaced. I believe it is a Owen Corning Window, but I am not completely positive. Here are the measurements:

1/2" Thick
1 1/4" Wide
2 1/4" Long (if you measure from the TOP to the curved hump on the bottom)
2 1/8" Long (if you do not measure to the bottom center curved hump)

Thank you for your assistance with this issue.
User submitted photos of a pivot shoe.
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Paul from SWISCO responded:
May 22, 2015
Please see our 15-046 pivot shoe. Yours has been discontinued, but I personally believe our 15-046 is a better made replacement.
A quick learner says:
May 27, 2015
Thank you for responding quickly to my question. I have ordered (4) 15-046 pivot shoes and I am going to try to fix my own windows. How do I tell if my old spiral balances are still good? You had suggested for me to use Series 600 spiral balances. My (12) windows were manufactured by Owen Corning before 1997. Is there a certain test that I can perform to see if they are good?
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Tom from SWISCO responded:
May 27, 2015
There's not really any test, no. If your windows stay up when you lift them, then there's no reason to replace the balances. If they droop a little, you can always try winding them a couple times to regain tension. See the guide below to see how.
Guide: How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
Pivot Shoe, 1/2" Thick
Pivot Shoe, 1/2" Thick
15-046
$2.15
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Remove a Pivot Shoe (Cutout Method)
How to Remove a Pivot Shoe (Cutout Method)
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Swisco's 15-046 Pivot Lock Shoe
Swisco's 15-046 Pivot Lock Shoe
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How to remove window pivot shoes
How to remove window pivot shoes
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Anatomy of a tilt window
Anatomy of a tilt window
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How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
GUIDE
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