The Freudenberg-NOK S750FM O-Ring features a diameter of 0.275 inches and is made from 75 durometer VMQ (silicone) material. This O-Ring is engineered for high-performance sealing in applications requiring 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 is designed to meet stringent industry standards, ensuring reliability and longevity in various sealing tasks.