The PVS-7 Washer, Flat is a small but essential component used in the assembly of the PVS-7 night vision goggle system. This flat washer is typically made from durable, corrosion-resistant materials, designed to provide a secure, even surface for screws and other fastening components. Its primary function is to distribute pressure evenly when securing parts of the PVS-7, helping to prevent damage to sensitive components and ensuring proper alignment of the assembly.