The AS568-156 SIMRIZ SZ486 is a premium sealing solution featuring a 4-1/4" inner diameter and a 4-7/16" outer diameter with a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is engineered for high performance in various industrial applications. The SIMRIZ material provides exceptional resistance to chemicals and temperature fluctuations, ensuring longevity and reliability. This seal complies with industry standards, making it compatible with a wide array of systems. Ideal for hydraulic and pneumatic applications, the SZ486 guarantees a secure fit and outstanding performance.