Replacement Top Sash Guide

A handy person from Columbus, Ohio says:
Cannot find any manufacturer info for original aluminum double-paned windows in a house built in 1989. Have several windows with broken top sash guides, looking for replacements.

Specs as I measure them are; overall height: 15/16", top cap width: 13/16", top cap length: 1-1/16", bottom tang width: 1/2", screw holes are 3/8" from top.

Sash springs are embossed with number '2930'.

Any help is appreciated
User submitted photos of a top sash guide.
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Paul from SWISCO responded:
This is an old Capitol window that has been discontinued for some time. The only replacement part we have for it is our 18-069. See what you think.
A quick learner from Columbus, Ohio says:
Paul - the top sash guide 18-069 looks like it will work. I went ahead and ordered a number of them to replace both the defective parts and have some as spares. Thanks for your help!
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Paul from SWISCO responded:
Great, thanks for the order! Let me know how they work out.
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