Gray plastic - "Air Control" crank cover

A home owner from Gainesville, FL says:
Go you have any of these covers? House was built in 1963 and has awning windows.
Blue wire inside is an old radio antenna.
5 - 3/4 inches tall
air control crank
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I'm afraid Air Control is no longer in business, and these cover plates are no longer made. I recommend looking instead at our 39-355 cover plate.
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