The AS568-242 SIMRIZ SZ498 features a 4" inner diameter and a 4-1/4" outer diameter with a thickness of 1/8". This high-quality seal from Freudenberg-NOK is designed for optimal performance in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and high temperatures, making it suitable for demanding environments. This seal meets industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic applications, the AS568-242 SZ498 is a trusted choice for professionals seeking durability and reliability.