The Freudenberg-NOK OR 3.984 0.139" 70 EPDM E700N O-ring is engineered for superior sealing performance in demanding environments. Constructed from high-grade EPDM, it exhibits excellent resistance to heat, ozone, and various chemicals, making it suitable for automotive and industrial applications. With a hardness of 70, this O-ring maintains its shape and integrity under pressure. The 0.139" thickness ensures compatibility with standard sealing grooves, providing a reliable barrier against leaks. This product adheres to industry standards, ensuring quality and performance in critical applications.