The locking screw with code number K 32393 is a precision-engineered fastener used to secure cover K 32301 on the Sulzer ZV40/48 diesel engine. Its main function is to maintain a tight and vibration-resistant seal over the barring engine housing, ensuring operational stability and preventing unintentional loosening during engine service. Made from durable, corrosion-resistant materials, this screw is vital for long-term reliability and safety in demanding industrial or marine environments.