Searching for 53-549 coil spring system

A quick learner says:
March 28, 2020
Im inquiring anout this part do you have jt an how much does it cost this is the number on the part .... PAT.5.353.548

Thanks in advance

Tricia
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Casey from SWISCO responded:
March 31, 2020

Thank you for reaching out to SWISCO. Have a look at our 15-087 coil housing pivot. This can be used with the Series 180 coil springs. Your spring should have some sort of stamping or marking on it. You will need that to determine the spring strength of the coil needed. If there is not any stamping or marking, we will need for you to get back to us with the exact weight of the sash. The remaining pieces you may also need are our 15-086 tandem housing and 16-024 mounting bracket. 
Coil Housing Pivot
Coil Housing Pivot
15-087
$5.97
Tandem Coil Housing
Tandem Coil Housing
15-086
$1.68
Mounting Bracket
Mounting Bracket
16-024
$0.66
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