The McCormick 1425134M1 washer is an essential genuine OEM component designed for use in a wide range of McCormick agricultural tractors. This washer provides critical spacing and load distribution, contributing to the secure assembly and reliable operation of machinery. With an inner diameter of 16.5 mm, an outer diameter of 28 mm, and a thickness of 2.5 mm, it meets precise specifications for optimal performance and durability in demanding farm applications.