The AS568-259 6-1/4" ID x 6-1/2" OD x 1/8" SIMRIZ SZ486 O-ring by Freudenberg-NOK is designed for high-performance sealing in various industrial applications. Constructed from durable SIMRIZ material, it offers excellent resistance to chemicals and high temperatures. With an inner diameter of 6-1/4" and an outer diameter of 6-1/2", this O-ring meets AS568 standards, ensuring compatibility with numerous systems. The 1/8" thickness enhances sealing efficiency, making it ideal for hydraulic and pneumatic applications. This product is engineered for long-lasting durability and reliability in challenging environments.