The AS568-243 4-1/8" ID x 4-3/8" OD x 1/8" SIMRIZ Z7257 from Freudenberg-NOK is a high-performance sealing solution designed for industrial applications. This seal features an inner diameter of 4-1/8 inches and an outer diameter of 4-3/8 inches, with a thickness of 1/8 inch, ensuring a precise fit. Made from premium SIMRIZ material, it offers exceptional resistance to chemicals and wear, making it suitable for hydraulic and pneumatic systems. This product meets AS568 standards, ensuring compatibility and reliability in various applications, providing effective sealing solutions for demanding environments.