The AS568-373 SIMRIZ SZ481 is engineered for optimal sealing performance, featuring a 9" inner diameter and a 9-3/8" outer diameter with a thickness of 3/16". This product from Freudenberg-NOK is crafted from high-quality materials that provide exceptional resistance to various chemicals and temperatures. It meets industry standards, ensuring compatibility with numerous applications, particularly in hydraulic and pneumatic systems. The SZ481 is designed to deliver a reliable seal, enhancing the efficiency and longevity of your equipment.