The AS568-129 SIMRIZ SZ481 O-ring features a 1-9/16" inner diameter, a 1-3/4" outer diameter, and a thickness of 3/32". This high-quality O-ring from Freudenberg-NOK is made from durable SIMRIZ material, providing excellent resistance to chemicals and temperature extremes. It is suitable for a variety of sealing applications, particularly in hydraulic and pneumatic systems. The O-ring meets industry standards for compatibility and performance, ensuring a secure seal that prevents leaks and enhances system efficiency.