Freudenberg-NOK's AS568-462 16 1/2" ID x 17" OD x 1/4" SIMRIZ SZ501 O-ring is engineered for optimal sealing performance in industrial settings. Constructed from high-quality SIMRIZ material, it provides exceptional resistance to a wide range of chemicals and high temperatures. The O-ring features an inner diameter of 16.5 inches and an outer diameter of 17 inches, adhering to AS568 specifications for compatibility with various systems. With a thickness of 1/4", it ensures effective sealing in hydraulic and pneumatic applications, delivering reliable leak prevention and durability.