The McCormick 3556530M1 is a genuine OEM washer designed for various agricultural and industrial machinery. This essential component provides secure fastening and distributes load, preventing damage and loosening of bolted joints. Manufactured to precise specifications, it ensures reliable performance and compatibility with a wide range of McCormick, Massey Ferguson, Fendt, Challenger, and Valtra equipment. With an outer diameter of 19 mm, an inner diameter of 10.5 mm, and a thickness of 1 mm, this washer is crucial for maintaining the integrity and safety of your machinery.