Need help buying top sash support part

A quick learner from United States says:
Width just over 5/8 inch
Top to hole center 3/8
Top to bottom 3/4
Top shelf thickness 1/8
Top shelf extension 4/8
User submitted photos of window hardware.
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Tom from SWISCO responded:

Based on your photos, we believe you have a Pan Am window that uses 18-042 Top Sash Guide Pair. If you want to be 100% sure that this is correct, please look over dimensions. 

A quick learner from Florida says:
Thanks for the reply. I got the part today and it fit ok.
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