The AS568-238 SIMRIZ SZ485 seal features a 3-1/2" inner diameter and a 3-3/4" outer diameter with a thickness of 1/8". This high-performance product from Freudenberg-NOK is engineered for reliability in various industrial applications. The SIMRIZ material is known for its superior resistance to chemicals and high temperatures, making it ideal for harsh environments. This seal meets industry standards, ensuring compatibility with a variety of systems. The SZ485 is perfect for hydraulic and pneumatic applications, providing a dependable and durable sealing solution.