Coiled balance spring assembly

A contractor from INDIANAPOLIS, IN says:
I have an aluminum, double hung, tilt window of unknown make.
Window (including frame) is 27 1/4" tall. I need to replace 2 complete assemblies as shown in attached pic.
Coil stamped 407-S. Your series 140??
From label on sash, manuf. might be Hyde Park/Easton DH??
NFRC 100/200; VIM-1-014 02-M also on sash label

Please help and happy new year
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
The pivot shoe looks like our 15-177, which can also work with a Series 152 coil spring.
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