The AS568-011 5/16" ID x 7/16" OD x 1/16" SIMRIZ SZ486 O-ring by Freudenberg-NOK is engineered for optimal sealing performance in various industrial settings. Constructed from durable SIMRIZ material, it offers exceptional resistance to chemicals and temperature fluctuations. 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 enhances its sealing capabilities, making it suitable for hydraulic and pneumatic applications. This product is designed to comply with industry standards, ensuring reliability and longevity.