The AS568-438 SIMRIZ SZ498 is a robust sealing solution with a 6 1/4" inner diameter and a 6-3/4" outer diameter, featuring a thickness of 1/4". This seal, produced by Freudenberg-NOK, is crafted from high-quality SIMRIZ material, which provides exceptional resistance to chemicals and high temperatures. It is designed to meet industry standards, ensuring compatibility with various hydraulic and pneumatic systems. The SZ498 seal is ideal for applications requiring a reliable and durable sealing solution, offering long-lasting performance in demanding environments.