The Freudenberg-NOK OR 11.975" 0.275" 90 NBR N901W O-ring is engineered for optimal sealing performance in various industrial applications. Made from high-quality Nitrile Butadiene Rubber (NBR), it provides excellent resistance to a variety of chemicals, oils, and fuels. With a thickness of 0.275 inches and an outer diameter of 11.975 inches, this O-ring is designed to meet rigorous industry standards, ensuring reliability and durability. Ideal for hydraulic and pneumatic applications, this O-ring ensures a tight seal, preventing leaks and maintaining system efficiency.