The AS568-158 SIMRIZ SZ486 is engineered for optimal sealing performance with a 4-3/4" inner diameter and a 4-15/16" outer diameter, featuring a thickness of 3/32". This product from Freudenberg-NOK is crafted from high-quality materials that ensure resistance to various chemicals and temperature extremes. The SZ486 is ideal for hydraulic and pneumatic systems, providing a reliable seal that meets industry standards. Its robust design ensures longevity and effectiveness in demanding applications, making it a preferred choice for professionals seeking dependable sealing solutions.