The AS568-463 17" ID x 17 1/2" OD x 1/4" SIMRIZ SZ495 O-ring by Freudenberg-NOK is engineered for superior sealing in demanding industrial applications. Constructed from high-quality SIMRIZ material, this O-ring offers exceptional resistance to a variety of chemicals and high temperatures. With precise dimensions of 17 inches inner diameter and 17.5 inches outer diameter, it adheres to AS568 standards, ensuring compatibility with numerous systems. The 1/4" thickness enhances its sealing performance, making it ideal for hydraulic and pneumatic applications. This O-ring is designed to provide reliable leak prevention and durability in critical environments.