The Freudenberg-NOK OR 4.234" 0.139" 75 FKM V755ZB seal is designed for high-performance sealing applications. Made from durable FKM material, this O-ring offers excellent resistance to heat, chemicals, and aging, making it ideal for various industrial environments. With a size of 4.234 inches in outer diameter and a cross-section of 0.139 inches, it fits a wide range of standard applications. This seal meets industry standards for reliability and performance, ensuring a secure fit in your machinery. Compatible with various systems, it is perfect for hydraulic and pneumatic applications, providing a long-lasting seal that minimizes leakage and enhances efficiency.