The Freudenberg-NOK OR 18.955 0.275" 90 NBR N901W O-ring is designed for superior sealing in industrial environments. Made from high-quality Nitrile Butadiene Rubber (NBR), it offers excellent resistance to oils, fuels, and chemicals. With an inner diameter of 18.955 mm and a cross-section of 0.275 inches, this O-ring meets rigorous industry standards for performance and durability. It is ideal for use in hydraulic and pneumatic systems, ensuring a secure fit and preventing leaks. The durable design guarantees longevity, making it a reliable choice for various applications.