The Freudenberg-NOK Dichtomatik OR 9.484" 0.139" 70 NBR NB7018 O-ring is engineered for optimal sealing performance in various applications. Constructed from high-grade Nitrile Butadiene Rubber (NBR), it provides excellent resistance to a wide range of chemicals, oils, and fuels. With an outer diameter of 9.484 inches and a cross-section of 0.139 inches, this O-ring is designed to fit securely in hydraulic and pneumatic systems, ensuring leak-free operation. Its durability and compliance with industry standards make it a reliable choice for demanding environments.