Pivot and coil

Thanks for posting! Your coil balance assembly reminds me of the 15-251 Inverted Universal Single Support. It is not an exact match but we've confirmed it will work in place of your balance support.

The compatible coil is the 1/2" thick Series 160 Coil Balance. Since your assembly is stamped with a 9, you'll need the S160-09 Coil Balance.

Measurements of 15-251