The Freudenberg-NOK AS568-133 SIMRIZ SZ481 is a premium sealing component with a 1-13/16" inner diameter and a 2" outer diameter, featuring a thickness of 3/32". This seal is made from advanced SIMRIZ material, known for its excellent chemical and temperature resistance, ensuring long-lasting performance in various industrial settings. Compliant with the AS568-133 standard, it is compatible with a wide range of systems, making it an essential choice for engineers and maintenance professionals looking for reliable sealing solutions.