The ORGAtop 90311329M is a high-quality serrated washer designed to provide a secure and vibration-resistant fastening solution in various machinery applications. With an outer diameter of 20 mm, an inner diameter of 10.5 mm, and a thickness of 2 mm, this genuine ORGAtop component ensures reliable performance and helps prevent loosening of bolted connections under dynamic loads. It is an essential part for maintaining the integrity of assemblies in agricultural and industrial equipment.