90103-ZZ3-000 Screw, Flat (5X37) - Overview. The 90103-ZZ3-000 Screw, Flat (5X37) is a precision-engineered flat-head screw measuring 5mm in diameter and 37mm in length, used in Honda marine engine rigging and accessory systems. This screw plays a crucial role in ensuring secure fastening of various components, contributing to the overall reliability and performance of Honda marine engines. As an OEM component, it ensures seamless integration with existing parts, maintaining optimal performance