The Freudenberg-NOK 0.549" 70 VMQ O-Ring SI70A4 is a reliable sealing solution crafted from high-quality VMQ silicone. With a cross-section of 0.103", this O-ring is designed to withstand extreme temperatures and chemical exposure, making it suitable for various industrial applications. It adheres to industry standards, ensuring compatibility with a wide range of systems. This O-ring is ideal for use in hydraulic and pneumatic systems, providing a secure seal that enhances the efficiency and durability of your equipment.