The AS568-441 7" ID x 7 1/2" OD x 1/4" SIMRIZ Z7257 O-ring from Freudenberg-NOK is a premium sealing solution tailored for industrial applications. Crafted from high-performance SIMRIZ material, it offers outstanding resistance to chemicals and extreme temperatures. With an inner diameter of 7 inches and an outer diameter of 7 1/2 inches, this O-ring ensures a precise fit and effective sealing. The 1/4" thickness provides optimal compression, making it ideal for hydraulic and pneumatic systems. This product complies with industry standards, making it suitable for automotive, aerospace, and manufacturing applications, ensuring durability and efficiency.