90302-ZV5-000 Nut (3/8-24unf) - Overview. The 90302-ZV5-000 Nut (3/8-24UNF) is a crucial fastening component used in Honda marine engine systems. Specifically designed for the marine rigging and accessory system, this nut features a unified fine thread pitch of 3/8 inch diameter with 24 threads per inch, ensuring a secure and reliable connection. Its role is essential in maintaining the structural integrity and optimal performance of the equipment by providing precise fastening and integration w