The AS568-338 SIMRIZ SZ498 is a high-quality sealing solution with a 3-1/8" inner diameter and a 3-1/2" outer diameter, featuring a thickness of 3/16". Produced by Freudenberg-NOK, this seal is engineered for durability, providing excellent resistance to various chemicals and high temperatures. The SZ498 complies with industry standards, ensuring compatibility with numerous systems. Its robust design makes it suitable for both hydraulic and pneumatic applications, delivering a secure and long-lasting seal that enhances operational reliability.