The Freudenberg-NOK AS568-452 SIMRIZ SZ486 is a reliable sealing solution featuring an 11 1/2" inner diameter and a 12" outer diameter with a thickness of 1/4". Constructed from high-quality SIMRIZ material, it provides exceptional resistance to chemicals and high temperatures, ensuring durability in demanding environments. This seal complies with AS568 standards, making it compatible with a variety of hydraulic and pneumatic systems. Its design effectively reduces leakage, enhancing the efficiency and reliability of your operations.