The Freudenberg-NOK OR 21.955 is a premium O-ring crafted from 70 durometer VMQ silicone, featuring a cross-section of 0.210 inches. This O-ring is engineered for optimal sealing in diverse environments, offering exceptional resistance to high temperatures and various chemicals. With an inner diameter of 21.955 mm, it adheres to strict industry standards, ensuring reliability in applications across automotive, aerospace, and industrial fields. Its flexibility and durability make it an ideal choice for sealing fluids and gases, providing long-lasting performance.