coil ballance

Thanks for reaching out! Your pivot shoe appears to be the 15-228. Look over the dimensions and compare this shoe to your existing shoe. I am confident this is the replacement you'll need. The compatible cover is part 15-150S.

Dimensions for 15-228

The compatible coil springs for this pivot shoe are the Series 160 Coil Balance Springs. It looks like you've written out a few different stamps. If you are looking for more than one balance, it looks like you are looking for coils stamped with 5s and 6s. The coil balance springs stamped with a 5 would be part S160-5 and the coils stamped with 6 would be part S160-6.