Genuine OEM Volkswagen Hex Nut With Washer, part number N10772801. This fastener integrates a hex nut with a washer, designed to distribute clamping force over a larger surface area and prevent loosening due to vibration. It is used to securely join components in various assemblies. The integrated washer design simplifies installation and ensures consistent load distribution. Genuine OEM fasteners are manufactured to exact tolerances for reliable and secure connections.