The Freudenberg-NOK Dichtomatik OR 5.725" 0.210" 90 NBR N901W is a premium O-ring designed for optimal sealing in various industrial settings. Made from high-quality Nitrile Butadiene Rubber (NBR), it offers exceptional resistance to oils, fuels, and other chemicals. With an outer diameter of 5.725" and a cross-section of 0.210", this O-ring is perfect for standard applications requiring reliable sealing solutions. Its robust construction meets industry standards, ensuring long-lasting performance and durability in demanding conditions.