The Freudenberg-NOK 0.275" 70 VMQ O-Ring, model SI70A4, is engineered for superior sealing capabilities in demanding environments. Constructed from durable VMQ (silicone rubber), this O-Ring offers exceptional resistance to heat and various chemicals. With a hardness rating of 70, it ensures a tight seal, preventing leaks in critical applications. Measuring 0.275" in diameter, it is ideal for use in automotive, aerospace, and industrial sectors. This product adheres to stringent quality standards, ensuring reliability and longevity in your sealing solutions.