The AS568-204 3/8" ID x 5/8" OD x 1/8" SIMRIZ SZ486 O-ring from Freudenberg-NOK is designed for high-performance sealing in industrial applications. Constructed from durable SIMRIZ material, it offers excellent resistance to a variety of chemicals and high temperatures. This O-ring meets AS568 standards, ensuring a precise fit for hydraulic and pneumatic systems. With dimensions of 3/8" inner diameter and 5/8" outer diameter, it is engineered for reliable sealing under pressure. Its compatibility with different fluids enhances its versatility, making it suitable for a wide range of applications in demanding environments.