The AS568-343 SIMRIZ SZ501 is a high-quality sealing solution with a 3-3/4" inner diameter, 4-1/8" outer diameter, and a thickness of 3/16". Manufactured by Freudenberg-NOK, this seal is designed for durability and reliability in various industrial applications. The SIMRIZ material provides excellent resistance to aggressive media, making it suitable for harsh environments. This seal meets industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic applications, it guarantees optimal sealing performance and longevity.