The Freudenberg-NOK AS568-337 SIMRIZ SZ498 is engineered for precision sealing with a 3" inner diameter and a 3-3/8" outer diameter, featuring a thickness of 3/16". This seal is crafted from high-quality SIMRIZ material, ensuring exceptional resistance to a wide range of chemicals and temperatures. It is designed to meet stringent industry standards, making it ideal for use in hydraulic and pneumatic applications. The robust construction guarantees a reliable seal, preventing leaks and enhancing system efficiency.