Stainless Steel Pivot Bar, 2"

I bought spiral balances from you to replace rusty parts on a tilt window. It seems I also need new pivot bars and locks, as the old pivot bars rusted away and left rusty stubs in the pivot locks. I think your 15-05 locks look like a good match, and 17/32 matches the old locks closely. I am not sur ... (cont.)

Looking to see if you can identify this part that is attached to the bottom of the window that goes into the balance clips

The metal spiral lifter measures 32 in exactly. The plastic piece that receives the window U channel tab is a blue circle

I didn't see any numbers or markings on the coil spring. The window is 31 X 52. The plastic piece that held the coil spring broke apart when I tilt the window. I have 8 windows and some don't tilt in as they are suppose to.

Looking for these replacement parts on the website. Can you help?