90202-ZV7-000 Lock (34mm) Nut - Overview. The 90202-ZV7-000 Lock (34mm) Nut is a specialized fastener used in Honda marine engine systems. This nut plays a crucial role in securing components to ensure reliable and safe operation of your marine equipment. Designed specifically to maintain optimal system integrity and prevent loosening due to vibration or operational stresses, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. 34mm