The Okada Aiyon 302550F cotter pin is an authentic OEM component specifically engineered for secure fastening within various Okada Aiyon hydraulic breaker models. This critical retaining pin plays a vital role in maintaining the integrity and proper assembly of hydraulic hammer components, contributing to reliable and safe operation. Manufactured to precise specifications, it ensures a perfect fit and long-lasting performance in demanding construction environments. Confirmed fitment includes Okada Aiyon TOP 200, TOP 205, TOP 210, TOP 250, and TOP 300 series hydraulic hammers.