This genuine Husqvarna part number 74205253 is a durable hex head screw, precisely engineered with 5/16-18 UNC threading and a length of 1.5 inches (38.1 mm). It serves as a critical fastening component in a wide range of Husqvarna, Partner, Poulan, and Craftsman lawn and garden equipment. Commonly used to secure idler pulleys, brackets, and other deck or chassis components, ensuring reliable operation and proper fitment. This screw is often found in assemblies involving idler pulley 532194327 on models like the LT126, LT2216, and LT2213.