This 268 mm ID x 4 mm CS Urethane O-ring features a 90 durometer hardness, providing robust sealing capabilities in demanding applications. Manufactured by Freudenberg-NOK, this metric O-ring is crafted from high-performance urethane, known for its excellent abrasion resistance and durability. The precise dimensions ensure a snug fit in various mechanical assemblies, making it ideal for hydraulic and pneumatic systems. Its compatibility with a range of fluids and gases enhances its versatility in industrial settings.