826778-1 is a sealing disc manufactured from Vulkan fiber material, designed for use in connector assemblies. The product is available in multiple finish options including black and natural (red/brown) finishes to meet different application requirements. The sealing disc is engineered to provide reliable sealing performance in connector systems, with a drawing scale of 5:1 and documented under drawing number A 4 00779 revision C. This component is commonly used in electronic connector assemblies where environmental sealing and protection are required.