The AS568-436 5-7/8" ID x 6-3/8" OD x 1/4" SIMRIZ SZ486 from Freudenberg-NOK is a high-performance sealing solution designed for various industrial applications. This O-ring features a durable SIMRIZ material, ensuring excellent resistance to chemicals and high temperatures. With precise dimensions of 5-7/8" inner diameter and 6-3/8" outer diameter, it fits seamlessly into standard AS568 specifications. The 1/4" cross-section provides optimal sealing capabilities, making it suitable for hydraulic and pneumatic systems. This product meets industry standards, ensuring reliability and longevity in demanding environments.