The AS568-243 4-1/8" ID x 4-3/8" OD x 1/8" SIMRIZ SZ485 from Freudenberg-NOK is a reliable sealing component designed for industrial use. With an inner diameter of 4-1/8 inches and an outer diameter of 4-3/8 inches, this seal features a thickness of 1/8 inch, ensuring a snug fit. Constructed from high-quality SIMRIZ material, it provides excellent resistance to various chemicals and wear, making it ideal for hydraulic and pneumatic applications. This product adheres to AS568 standards, ensuring compatibility with a wide range of systems, delivering effective sealing solutions for demanding environments.