The Freudenberg-NOK V904Z O-Ring features a diameter of 3.109 inches and a cross-section of 0.139 inches, crafted from 90 durometer FKM material. This O-Ring is engineered for superior sealing performance in challenging environments, offering excellent resistance to chemicals and high temperatures. It adheres to industry standards, ensuring compatibility with various applications. This durable O-Ring is perfect for use in hydraulic and pneumatic systems, providing a reliable seal that enhances operational efficiency.