The Freudenberg-NOK AS568-451 SIMRIZ SZ495 is engineered for superior sealing performance, featuring an inner diameter of 11 inches and an outer diameter of 11 1/2 inches, with a thickness of 1/4 inch. Constructed from high-quality SIMRIZ material, this seal is resistant to a variety of chemicals and extreme temperatures, making it suitable for demanding industrial environments. It complies with AS568 standards, ensuring compatibility with numerous applications. This seal is perfect for hydraulic and pneumatic systems, providing a reliable and effective sealing solution.