The Freudenberg-NOK AS568-039 is a high-performance SIMRIZ SZ486 seal with an inner diameter of 2-3/4" and an outer diameter of 2-7/8". This seal is designed for demanding applications, providing excellent resistance to chemicals and high temperatures. Made from premium materials, it ensures durability and reliability in various industrial settings. The 1/16" thickness offers a precise fit, making it suitable for a range of hydraulic and pneumatic systems. Ideal for use in environments requiring compliance with ISO standards, this seal is a top choice for professionals seeking quality and performance.