The McCormick 87313764 is a genuine OEM washer designed for optimal performance and durability in a wide range of McCormick agricultural and industrial machinery. This precision-engineered washer features an inner diameter of 10.5 mm, an outer diameter of 20 mm, and a thickness of 2 mm, ensuring a secure and proper fit. It is compatible with numerous McCormick tractor series including X4, X5, X6, X7, X8, CX, MC, MTX, TTX, and XTX models, providing essential support for various mechanical assemblies.