The Truth 14.75 hinge is the most common of the Truth Casement Hinges. The stainless steel track is 10" long, the glide is a plastic coated steel. The most common problem on this hinge is the shoe. When the hinge is installed incorrectly or not maintained the shoe could pull out the window track. Common numbers found on this hinge are 30744B, 31133C, 40942 and 40941.
This Truth hinge is used on the Wi1510, Wi1511, Wi1516, Wi1518, Wi1531, Wi1532, Wi1594 and Wi2301.
This hinge is sold in pairs (one top and one bottom). If your window is the opposite hand, the top hinge goes to the bottom and the bottom hinge goes to the top.