The Freudenberg-NOK 0.275" 70 VMQ O-Ring, model SI70A4, is engineered for high-performance sealing in challenging environments. Constructed from durable VMQ (silicone rubber), this O-Ring provides excellent resistance to temperature extremes and chemical exposure. With a hardness of 70, it ensures a reliable seal in various applications. Measuring 0.275" in diameter, it is ideal for automotive and industrial uses. This product meets high-quality standards, ensuring dependable performance in your sealing solutions.