The AS568-355 SIMRIZ SZ501 seal features a 5-1/4" inner diameter and a 5-5/8" outer diameter, with a thickness of 3/16". This product from Freudenberg-NOK is engineered for high performance in various industrial settings. The SIMRIZ material is known for its exceptional resistance to chemicals and thermal degradation, making it ideal for harsh environments. This seal complies with industry standards, ensuring compatibility with numerous applications, including hydraulic and pneumatic systems. The SZ501 provides a reliable sealing solution that enhances operational efficiency.