The OR 0.859 0.139" 70 VMQ S701B O-Ring by Freudenberg-NOK is engineered for superior sealing performance. With an inner diameter of 0.859 inches and a cross-section of 0.139 inches, this O-ring is crafted from 70 durometer VMQ silicone, offering excellent resistance to high temperatures and various chemicals. Its durable construction ensures a secure seal in both static and dynamic applications, making it ideal for a wide range of industries. This O-ring meets stringent industry standards for quality and durability.