The AS568-155 SIMRIZ SZ484 seal features a 4" inner diameter and 4-3/16" outer diameter with a thickness of 3/32". This high-quality seal from Freudenberg-NOK is engineered for superior performance in industrial applications. The SIMRIZ material is known for its excellent resistance to chemicals and high temperatures, ensuring reliability in demanding environments. This product meets industry standards, providing compatibility with various systems. The SZ484 is perfect for hydraulic and pneumatic applications, delivering a dependable seal that enhances system efficiency.