The Freudenberg-NOK Dichtomatik OR 1.239" 0.070" 90 FKM V903Z O-ring is designed for high-performance sealing in aggressive environments. Made from Fluoroelastomer (FKM), it offers superior resistance to heat, chemicals, and fuels, making it ideal for automotive and aerospace applications. With a diameter of 1.239 inches and a cross-section of 0.070 inches, this O-ring meets stringent industry standards, ensuring reliability and durability. It operates effectively in temperatures ranging from -15°F to 400°F, providing a robust sealing solution for various demanding applications.