coil # 5232208 7.5 31" p

Thanks for posting! Your pivot shoe reminds me of the 15-111, which is used along with the 1/2" thick Series 160 Coil Balance. Since yours is stamped with a 7.5, you'll need the S160-07.

The cover used along with your assembly is the 15-150S.

Alternate image for 15-111