The AS568-465 18" ID x 18 1/2" OD x 1/4" SIMRIZ SZ484 is a high-performance sealing solution from Freudenberg-NOK. Designed for industrial applications, this O-ring features a durable SIMRIZ material that offers excellent resistance to chemicals and high temperatures. With an inner diameter of 18 inches and an outer diameter of 18.5 inches, it is engineered to fit standard AS568 specifications, ensuring compatibility with various systems. The O-ring's thickness of 1/4 inch provides a reliable seal, preventing leaks and maintaining system integrity. Ideal for use in hydraulic and pneumatic systems, this product meets industry standards for quality and performance.