The AS568-263 SIMRIZ SZ501 seal is designed for optimal sealing performance, featuring a 7-1/4" inner diameter and a 7-1/2" outer diameter with a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is made from high-quality SIMRIZ material, known for its excellent resistance to chemicals and high temperatures. The SZ501 meets industry standards, ensuring compatibility with a variety of hydraulic and pneumatic applications. Its robust design guarantees a secure fit, enhancing the reliability and efficiency of your systems.