The Freudenberg-NOK 0.275" 70 VMQ O-Ring, model SI70A4, is designed for optimal sealing performance in challenging conditions. Made from high-grade VMQ (silicone rubber), this O-Ring offers excellent resistance to heat and chemicals. With a hardness of 70, it ensures a secure fit, preventing leaks in various applications. The 0.275" diameter makes it suitable for a wide range of uses in automotive and industrial settings. This product meets high-quality standards, making it a reliable choice for your sealing needs.