The Freudenberg-NOK OR 3.734" 0.139" 75 FKM V755ZB seal is designed for high-efficiency sealing in various industrial applications. Constructed from durable FKM material, this O-ring provides exceptional resistance to heat, chemicals, and aging. With an outer diameter of 3.734 inches and a cross-section of 0.139 inches, it is compatible with a wide range of systems, including hydraulic and pneumatic applications. This seal meets industry standards for performance and reliability, ensuring a secure fit that minimizes leakage and enhances the efficiency of your equipment.