The #4 x 1/4 x .062 Flat Washer Nylon is a thin, flat washer with an outer diameter of 1/4 inch, an inner diameter of #4, and a thickness of .062 inches. It is made of nylon, which is a strong and durable material that is resistant to wear and tear. This washer is designed to be used with #4 screws or bolts, and it helps to distribute the load of the fastener and prevent damage to the surface of the material being fastened.