The AS568-135 SIMRIZ SZ481 seal features a 1-15/16" inner diameter and a 2-1/8" outer diameter with a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is made from high-quality SIMRIZ material, known for its excellent resistance to chemicals and high temperatures. It complies with industry standards, ensuring compatibility with a variety of applications, particularly in hydraulic and pneumatic systems. The AS568-135 SZ481 provides a reliable seal, enhancing the performance and durability of your equipment.