Double coil spring balance

A quick learner from Blue bell pa says:
Need to identify the correct replacement part
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Bob from SWISCO responded:

This is a 15-180 Pivot Shoe, which uses Series 190 Coil Balances. For balances stamped '5', use the S190-540 5 pound spring. If your old housing is undamaged you could reuse it, but otherwise see the 15-181 Double Support and 15-182 Bushing. 

A quick learner from Blue bell pa says:
Much appreciated
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