The AS568-255 SIMRIZ SZ501 is engineered for optimal sealing performance with a 5-5/8" inner diameter and a 5-7/8" outer diameter, featuring a thickness of 1/8". This product from Freudenberg-NOK is crafted from high-quality SIMRIZ material, known for its exceptional resistance to a variety of chemicals and temperatures. It meets stringent industry standards, ensuring compatibility with numerous applications, particularly in hydraulic and pneumatic systems. The SZ501 seal is designed to provide a reliable and durable solution, making it an excellent choice for industrial use.