The #8 x 3/8 x .062 Flat Washer Nylon is a thin, round washer with a hole in the center. It is made of nylon, which is a strong and durable material. This washer is designed to be used with #8 screws and bolts, and it helps to distribute the load of the fastener over a wider area. This can help to prevent the fastener from pulling through the material, and it can also help to reduce vibration and noise.