The AS568-238 SIMRIZ SZ495 seal features a 3-1/2" inner diameter and a 3-3/4" outer diameter with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high-performance sealing in various industrial applications. The SIMRIZ material is known for its exceptional resistance to chemicals and high temperatures, making it ideal for harsh environments. This seal complies with industry standards, ensuring compatibility with numerous systems. The SZ495 is perfect for hydraulic and pneumatic applications, providing a reliable and durable sealing solution.