This flat washer is made of durable nylon and measures #6 in size, with a 5/16-inch inner diameter and a thickness of .062 inches. It is designed to distribute the load of a screw or bolt evenly over a surface, preventing damage to the material and ensuring a secure connection. The nylon material provides excellent electrical insulation and resistance to corrosion, making it suitable for a wide range of applications in electrical, automotive, and industrial settings.