90402-HA0-000 Washer (14mm) - Overview. The 90402-HA0-000 Washer (14mm) is a precision-engineered thrust washer used in Honda marine engine systems. This essential hardware component plays a critical role in maintaining proper mechanical alignment and smooth operation within the steering shaft, transmission, or other related systems. By ensuring a firm and perfectly matched interface between moving parts, it helps prevent undue wear and mechanical failure, thus supporting optimal performance and