Window Arm?

Question

Hello, I am trying to identify what part to purchase.  I am looking at the part labeled "Window Arm"

Tom · Accepted Answer

Hello! The part you have labelled as Window Arm is known in the industry as a casement window sash bracket. It's tough to make out what you have from this photo, but I think it looks pretty similar in function and design to our 39-517. Look it over and let me know what you think.