Super seal 2-4 by 5 foot casement window hinge arm

Sash jam assembly that attaches to the bottom of the sash on the right side when viewed from the exterior. It is 7.5 inches long by 0.5 inches wide and has pivoting arm 5.5 inches long by 0.5 inches wide and has a pivoting end piece that travels in a piece attached to the frame.the window is a series 1600/1650 casement purchased over 10 years ago.