519-3567: 4mm Inner Diameter Sleeve

The Sleeve is a cylindrical part with a hollow interior. It features a precisely machined outer surface and a smooth inner bore. These features can include splines, grooves, teeth, or other specific geometrical configurations. The presence of such features allows the sleeve to interact with fasteners to mount the component. Attributes: • Ensure proper fit and smooth operation • Provide high hardness and wear resistance • Manufactured to precise specifications and are built for durability and reliability Applications: The Sleeve is used in the twin valve check unit to provide structural support and ensure efficient and reliable operation and the sleeve is kept inside the spring and holds the valve components.