The AS568-426 SIMRIZ SZ498 is a premium sealing solution featuring a 4-5/8" inner diameter and a 5-1/8" outer diameter, with a thickness of 1/4". This product from Freudenberg-NOK is constructed from high-quality SIMRIZ material, known for its superior resistance to chemicals and high temperatures. It meets industry standards, ensuring compatibility with various hydraulic and pneumatic systems. The SZ498 seal is designed for long-lasting performance and reliability, making it an essential choice for demanding industrial applications.