This Freudenberg-NOK FKM O-Ring measures 56.74 mm in outer diameter and 3.53 mm in cross-section, rated at 80 for hardness. Made from high-performance FKM (Fluoroelastomer), it provides exceptional resistance to heat, chemicals, and aging, making it suitable for a wide range of industrial applications. The O-Ring's design ensures a reliable seal in various environments, including those exposed to aggressive fluids and high temperatures. Ideal for use in automotive, aerospace, and chemical processing industries, this O-Ring guarantees durability and performance.