The spring H 27221 is a precision-engineered elastic component used within the Sulzer ASL25 engine to provide controlled force and stable operation of associated mechanical assemblies. Designed to perform reliably under repeated loading cycles, vibration, and elevated operating temperatures, this spring maintains consistent force characteristics throughout long service intervals. Its high fatigue resistance and dimensional stability contribute to accurate component positioning, reduced mechanical wear, and dependable long-term engine operation in demanding marine and industrial environments.