Freudenberg-NOK's AS568-279 13" ID x 13-1/4" OD x 1/8" SIMRIZ SZ501 is a high-performance O-ring designed for industrial sealing applications. Made from durable SIMRIZ material, it offers superior resistance to various chemicals and temperature extremes. The dimensions conform to AS568 standards, ensuring compatibility with hydraulic and pneumatic systems. With a thickness of 1/8", this O-ring provides effective sealing capabilities, making it suitable for high-pressure environments. Engineered for reliability, the SIMRIZ SZ501 is an excellent choice for demanding industrial applications.