The Claas 000001393320 washer is an authentic OEM component designed for secure fastening in various Claas agricultural machines. With an inner diameter of 8.4 mm, an outer diameter of 15 mm, and a thickness of 1.5 mm, this flat washer ensures proper load distribution and prevents loosening caused by vibration. It is compatible with a wide range of Claas models, including LEXION combines, JAGUAR forage harvesters, AXION and ARION tractors, and XERION system tractors, providing reliable and durable performance.