The AS568-258 SIMRIZ SZ501 is a premium sealing solution featuring a 6" inner diameter and a 6-1/4" outer diameter with a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is crafted from high-quality SIMRIZ material, known for its exceptional resistance to chemicals and high temperatures. This product is designed to meet industry standards, ensuring compatibility with various hydraulic and pneumatic systems. The AS568-258 seal provides a reliable and secure fit, making it an excellent choice for demanding applications.