The Dichtomatik OR 0.421" 0.139" 90 FKM V907WB by Freudenberg-NOK is a compact O-ring designed for precision sealing in various applications. With a diameter of 0.421 inches and a cross-section of 0.139 inches, this O-ring is made from 90 durometer FKM material, providing excellent resistance to heat and chemicals. Its small size makes it ideal for use in tight spaces, ensuring a reliable seal in hydraulic and pneumatic systems. This model adheres to industry standards, making it a trusted choice for engineers and maintenance professionals looking for effective sealing solutions.