90302-ZZ5-D01 Nut (5mm) - Overview. The 90302-ZZ5-D01 Nut (5mm) is an essential fastening component within Honda marine engine systems. This 5mm nut is designed to secure critical connections and maintain structural integrity across various marine rigging and accessory applications. Engineered to meet precise OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda Nut designed for reliable fastening in marine environments.. Specifically sized at 5mm to provide secure and precise mounting.. Manufactured to match factory dimensions and tolerances for perfect fit.. Constructed to withstand harsh marine conditions, including saltwater exposure.. Integrates cleanly with Honda marine hardware, seals, and housings.. Supports the overall mechanical stability and performance of marine systems.. Why Choose Genuine OEM. Using original Honda parts like the 90302-ZZ5-D01 Nut (5mm) preserves the integri