The AS568-279 13" ID x 13-1/4" OD x 1/8" SIMRIZ Z7257 by Freudenberg-NOK is a reliable sealing solution for industrial applications. This O-ring is crafted from high-quality SIMRIZ material, providing excellent resistance to chemicals and temperature variations. With dimensions that meet AS568 standards, it is compatible with various hydraulic and pneumatic systems. The 1/8" thickness ensures effective sealing, making it suitable for high-demand environments. Designed for durability and performance, the SIMRIZ Z7257 is an ideal choice for a wide range of applications.