The AS568-241 SIMRIZ SZ486 is designed for superior sealing performance, featuring a 3-7/8" inner diameter and a 4-1/8" outer diameter with a thickness of 1/8". This seal, produced by Freudenberg-NOK, is made from high-performance SIMRIZ material, known for its exceptional resistance to chemicals and temperature extremes. It complies with industry standards, making it suitable for various applications, especially in hydraulic and pneumatic systems. The AS568-241 seal ensures a reliable and effective seal, enhancing the durability and efficiency of your equipment.