The AS568-220 SIMRIZ SZ498 seal features a 1-3/8" inner diameter and a 1-5/8" outer diameter, with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high performance in various industrial applications. The SIMRIZ material is known for its exceptional resistance to a wide range of chemicals and high temperatures, making it ideal for hydraulic and pneumatic applications. This seal meets industry standards, ensuring compatibility with numerous systems. The AS568-220 is a reliable choice for engineers looking for durable sealing solutions.