90202-ZV5-000 Lock (48Mm) Nut - Overview. The 90202-ZV5-000 Lock (48Mm) Nut is a critical fastening component used in Honda marine engine systems. Its primary role is to securely lock mechanical parts, preventing loosening from vibration and dynamic marine conditions, thus contributing to the reliable operation of the engine system. Designed to OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Designed specifically