The Freudenberg-NOK AS568-440 SIMRIZ SZ501 seal features a 6 3/4" inner diameter and a 7 1/4" outer diameter with a thickness of 1/4". Crafted from high-performance SIMRIZ material, this seal offers excellent resistance to a variety of chemicals and extreme temperatures, making it suitable for industrial applications. It meets AS568 standards, ensuring compatibility with numerous systems. The design is tailored for optimal sealing performance in hydraulic and pneumatic systems, providing a reliable solution for engineers and maintenance professionals seeking durability and efficiency.