The Freudenberg-NOK OR 11.475" 0.275" 90 NBR N901W O-ring is a high-performance sealing solution made from durable Nitrile Butadiene Rubber (NBR). This O-ring is designed to withstand exposure to oils, fuels, and various chemicals, making it ideal for industrial applications. With a thickness of 0.275 inches and an outer diameter of 11.475 inches, it adheres to strict industry standards for reliability and performance. Perfect for hydraulic and pneumatic systems, this O-ring ensures a secure seal that prevents leaks and maintains system integrity.