The AS568-138 SIMRIZ SZ134 seal features a 2-1/8" inner diameter and a 2-5/16" outer diameter, with a thickness of 3/32". This product from Freudenberg-NOK is engineered for high durability and chemical resistance, making it ideal for various industrial applications. The SIMRIZ material ensures excellent performance under pressure and temperature fluctuations, meeting industry standards for reliability. This seal is perfect for hydraulic and pneumatic systems, providing a tight seal that enhances operational efficiency and longevity.