The McCormick 1492709M1 washer is a genuine OEM component designed for secure fastening in various McCormick and Massey Ferguson agricultural tractors. This high-quality washer features an inner diameter of 17 mm, an outer diameter of 30 mm, and a thickness of 2 mm, ensuring precise fitment and load distribution. It is essential for maintaining the integrity of bolted connections and preventing surface damage in demanding operational environments.