90302-ZW2-F11 Joint Metal Nut - Overview. The 90302-ZW2-F11 Joint Metal Nut is a critical component designed to secure connections within Honda marine engine rigging systems. It plays a vital role in maintaining the integrity and reliability of mechanical assemblies by providing a strong and durable fastening solution. Engineered specifically for Honda marine equipment, this joint nut fits seamlessly with existing parts, ensuring consistent and dependable performance in harsh marine environments