The AS568-011 5/16" ID x 7/16" OD x 1/16" SIMRIZ SZ498 O-ring by Freudenberg-NOK is designed for high-performance sealing in various industrial applications. Constructed from durable SIMRIZ material, it offers excellent resistance to chemicals and temperature variations. With an inner diameter of 5/16" and an outer diameter of 7/16", this O-ring meets AS568 specifications, ensuring compatibility with standard fittings. The 1/16" cross-section provides optimal sealing capabilities, making it ideal for hydraulic and pneumatic systems. This product is engineered to meet industry standards, ensuring reliability and longevity.