The Freudenberg-NOK S750FM O-Ring, with a diameter of 0.275 inches, is made from 75 durometer VMQ (silicone) material. This O-Ring is specifically designed for high-performance sealing in applications that require flexibility and temperature resistance. Its silicone composition provides excellent resistance to extreme temperatures and environmental conditions, making it suitable for both industrial and consumer applications. The S750FM meets stringent industry standards, ensuring reliability and longevity in various sealing tasks.