Paul from SWISCO responded:
July 3, 2014
The manufacturer has actually discontinued your coil balance system. Now, they recommend our Series 152 coil balance spring. From your photo, it looks like it has a #8 printed on it. If so, I recommend our S152-8 coil spring with a 15-158 pivot shoe. Other parts you may need if they're broken or missing are our 15-143 support flange, 15-144 support cap, 15-145 support barrel and 33-072 screw.
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