Freudenberg-NOK's AS568-466 18.5" ID x 19" OD x 1/4" SIMRIZ SZ495 O-ring is designed for optimal sealing performance in industrial settings. Made from robust SIMRIZ material, it offers excellent resistance to chemicals and high temperatures. The precise dimensions of 18.5" inner diameter and 19" outer diameter ensure compliance with AS568 standards, making it suitable for various applications. With a thickness of 1/4", this O-ring provides reliable sealing for hydraulic and pneumatic systems. Its adherence to industry standards guarantees durability and effectiveness in demanding conditions.