coil balance spring and shoe number on shoe is 4,610,108 and number on coil is 5.5 35"

A home owner from union, new jersey says:
August 26, 2022
Hello, I'm looking to replace these broken / weak parts for a double hung window that won't stay in the upright position. The spring is 1/2 an inch thick and the shoe is 1 1/4 inch wide, the whole assembly is 2 3/4 inches long. Thank you in advance for any help with the part and availability .
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Tom from SWISCO responded:
August 30, 2022

Hello! Your pivot shoe appears to be a match for our 15-191. This is designed to work with our 1/2" thick Series 160 coil spring and 15-150S 1/2" spring support. Look these parts over and let me know if you had any questions!
Heavy Duty Pivot Shoe, 1/2" Thick
Heavy Duty Pivot Shoe, 1/2" Thick
15-191
$2.57
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