biltbest tilt-out windows replacement hardware

A handy person from NY State says:
I have a number of Biltbest double hang tilt out windows in my house. They are over 25 years old and they need some hardware replacement. Enclosed you'll find some photos of the parts I'm looking for. Please let me know if they are still available.
Thank you.
Customer image of their Biltbest window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Were still looking at you parts, but take a look at our 15-104 shoe, it looks like your center image there.
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