Looking for The slide mechanism, or the whole unit if I have to. I bought this window at Home Depot in 2007. I sent a picture of the tag on the window, and also a picture of a card with the numbers on it.
Casey from SWISCO responded:
December 17, 2020
Hello, thank you for writing in. See our 38-099 and 38-100. These aren't exact matches for your part, but look them over and see if they might work for you.