Top sash guide
A handy person from Springfield MO says:
February 19, 2016
I am needing some replacement top sash guides. Here are some measurements please let me know if you have any that will work.
Paul from SWISCO responded:
February 24, 2016
We do carry a similar top sash guide that may work. Please see our 19-094 and let me know if you think this can work.