Pivot Shoe for Patriot Tilt-in

A quick learner from Egg Harbor Twp, NJ says:
I have Patriot 2-7/8 thick double hung windows manufactured in 1995. The Pivot Shoe is broken on two of my 21 windows with the rest soon to follow I'm sure. I have narrowed my search down to two options off of your website.

To the best of my ability to measure while the window shoe is in place, it looks like I need the 15-046 pivot shoe. But the color of the existing shoe is blue where it accepts the window tongue (i.e 15-015). The steel piece on top looks more like the 15-046 than the 15-015. My measurement for width is not giving me confidence between 17/32 and 1/2. The other dimensions between 15-046 and 15-015 are the same.

Any advice?? Thanks
A user submited photo of pivot shoes
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Paul from SWISCO responded:
Thanks for posting! I don't believe that the color of the cam matters so much in this situation. I recommend that you get the exact thickness and see which shoe matches more closely. You may find it easier if you remove the shoe from the window before you measure, so that the dimensions you get are as accurate as possible.

Please see our tutorial video on how to remove pivot shoes from the jamb.
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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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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Swisco's 15-046 Pivot Lock Shoe
Swisco's 15-046 Pivot Lock Shoe
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