Part Number for Non-Tilt Spiral Balance

A handy person from Austin, TX says:
I am trying to figure out the type of spiral balance and shoe I need. My window is a non-tilt window. The balance is 29" long with a green bushing. The tube is 3/8" in diameter. I can't seem to find the right combination with the pictured shoe anywhere.

User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
We should be able to make this no problem. I'm thinking a Series 306 spiral balance, but with the default shoe swapped out for the 15-073. Does that look good to you? It will need to be a custom order, but it's a very simple process. Just tell me how many you're interested in and I can send you an order link and price quote.
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