Nondescript Windows...needing parts

A handy person from Wyoming says:
August 26, 2020
Looking for vinyl bushings to fit over existing coils versus just the screws.

Also, I am wondering if my existing coil spring stamped with the number 8 and 9...are equivalent of our replacement springs they are stamped as 8K and 9K. Wondering if 1970 vinyl windows are metric or not? A 2.2 conversion factor is pretty significant when determining window/sash weights, when replacing springs. Speaking of sash weights...in my particular case I have window sashes that vary in width/weights can I use the same 8/9 springs on a 48-inch window vs. 36-inch window?

When it comes to pivot shoes...do you need to replace the whole shoe...or is there a way to replace the small metal receiver that accepts the pivot bar?

It seems that pivot bars are relatively universal...it appears the real critical part to pivot shoes is the overall length and the distance between the fastening holes on the bar? Please let me know what is the critical information I need to order the proper pivot bars for my windows.

Lastly, I am wondering if you have vinyl repair/welding/glue to repair cracked vinyl window sashes. I have sash that is cracked that will no longer hold the top tilt latch set in place.

In advanced thank you in advance for your time and consideration.
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Casey from SWISCO responded:
August 31, 2020

Hello,

Your pivot shoe looks like a match to our 15-175, though the metal cam is not sold separately. As for the coils, see our S152-8 and S152-9 springs and the relates items featuring the bushings that hold them in place. 

Unfortunately, pivot bars are not universal but if you could remove an undamaged one and show it to us, we'd be happy to recommend a replacement for you. As for your cracked sash, you'll need to contact the original window manufacturer or a local sash fabricator for assistance. Thanks for posting! 
8 lb Series 152 Coil Balance
8 lb Series 152 Coil Balance
S152-8
$4.90
9 lb Series 152 Coil Balance
9 lb Series 152 Coil Balance
S152-9
$5.15
Coil Bushing
Coil Bushing
15-143
$0.97
Coil Bushing Cap
Coil Bushing Cap
15-144
$0.70
Coil Support Barrel
Coil Support Barrel
15-145
$0.49
Pivot Bar, 3-1/16"
Pivot Bar, 3-1/16"
26-226
$2.55
How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
VIDEO
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How to replace a window pivot bar
How to replace a window pivot bar
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Removing Rusted Pivot Bars
Removing Rusted Pivot Bars
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Anatomy of a tilt window
Anatomy of a tilt window
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
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