alcan window probably 30 years old 2 5/16 depth 5 3/4 height includes mounting area 7/8 width not including mount
Dave Sr. from SWISCO responded:
October 9, 2018
It's tough to make out your operator from this photo. Start by looking at our 39-258, 39-259, 39-410, and 39-411. One of these may work for you, but look them over and let me know what you think.