The Claas 0026668320 is a genuine OEM flat washer designed for optimal performance in various Claas agricultural and construction machinery. This high-quality washer features an outer diameter of 30 mm, an inner diameter of 16.5 mm, and a thickness of 2.5 mm, ensuring proper fit and secure fastening. It is a critical component for maintaining the integrity of bolted connections and is a direct replacement for the previous Claas part number 2666832.