Coil weight?

A quick learner from Queens, NY says:
July 17, 2017
Hello.
I need help figuring out which parts and correct coil balance weight for my window. The metal coil has the number 540 stamped on it. I hope that helps.
Thank you very much!
Allison
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
July 21, 2017
Thanks for posting. I've made a list of replacement parts for you on the right side of this page. I think you'll find they match what you have quite closely.
Coil Balance Shoe
Coil Balance Shoe
15-140
$3.07
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
5 lb Series 150 Coil Balance
5 lb Series 150 Coil Balance
S150-5
$6.55
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