The Spring (OEM Part No. 5541378100) is an elastic mechanical component compatible with Epiroc ST1030 underground mining equipment, including older and newer ST1030 configurations and related spare parts catalog applications. Manufactured from durable spring steel, the spring is designed to provide controlled elastic force within mechanical assemblies, helping maintain component positioning, contact, and mechanical stability during equipment operation. Its robust construction supports reliable performance under demanding mining conditions where repeated loading and vibration may occur. As a replacement mechanical component, 5541378100 is suitable for routine maintenance and repair of ST1030 mining machinery, helping restore proper assembly function and dependable equipment operation.