Bob from SWISCO responded:
June 24, 2023
Hey Bruce. It's getting harder and harder to find storm window replacements, as this hardware has been steadily phased out the past thirty years. I believe our closest match is the 91-054 Slide Bolt pair. My biggest concern is these seem shorter than the length your report; but double-check all your dimensions, and see if you think these slide bolts might work for you. Let me know what you think. Alternate image for 91-054
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