Crestline Window hinges (numbers on hinge shows 6603 on bottom brace and 31850 on upper brace. It is a crank out window operation.
Home Owner from Iowa
Apr 10, 2026 3:11 pm
I am trying to find replacement hinges for crestline windows. They were installed in 2003 by our contractor and purchased through our local lumber yard named United Building Company, Boone, Iowa.
2 Replies
Tom from SWISCO
Apr 15, 2026 10:51 am
I'm afraid I don't know what hinges you need. This is a photo identification service, so we need clear and unobstructed photos of all relevant parts. I also need to know the length of the hinge's base track (the part that installs into the sill).