The McCormick 3428535M1 is a genuine OEM washer designed for various agricultural applications, including Massey Ferguson, Landini, and McCormick tractors. This essential component provides secure fastening and correct spacing for critical assemblies. Manufactured to precise specifications, it features an inner diameter of 22.5 mm, an outer diameter of 36 mm, and a thickness of 3 mm, ensuring reliable performance and compatibility with original equipment.