The AS568-340 SIMRIZ SZ481 is engineered for optimal sealing performance, featuring a 3-3/8" inner diameter and a 3-3/4" outer diameter, with a thickness of 3/16". This seal, produced by Freudenberg-NOK, is crafted from high-quality materials that ensure resistance to various chemicals and temperatures, making it ideal for industrial applications. The SZ481 meets stringent industry standards, providing compatibility with numerous systems. Its robust design ensures a reliable seal in both hydraulic and pneumatic environments, enhancing operational efficiency and longevity.