The AS568-324 SIMRIZ SZ498 seal features a 1-3/8" inner diameter and 1-3/4" outer diameter with a thickness of 3/16". This product from Freudenberg-NOK is engineered for optimal sealing performance in various applications. The SIMRIZ material is known for its exceptional resistance to oils, chemicals, and high temperatures, making it ideal for industrial use. This seal complies with industry standards, ensuring compatibility with numerous systems. The SZ498 is perfect for hydraulic and pneumatic systems, providing a reliable and durable sealing solution.