The Freudenberg-NOK OR 3.609" 0.139" 75 FKM V755ZB seal is designed for optimal sealing performance in various industrial environments. Made from high-quality FKM material, this O-ring offers superior resistance to heat, chemicals, and aging. With an outer diameter of 3.609 inches and a cross-section of 0.139 inches, it is suitable for a variety of applications, including hydraulic and pneumatic systems. This seal adheres to industry standards, ensuring reliability and durability in operation, while minimizing leakage and enhancing the efficiency of your equipment.