Enhance the durability and efficiency of your fastening applications with our Sealing and Retaining Washer. Constructed from high-quality Nylon 6.6 material in a natural finish, this washer offers reliable performance. With an outer diameter of .380 inches and inner diameter of .161 inches, it is specifically designed for use with #8 screws. Its unique design not only provides a secure grip but also effectively seals joints, preventing leakage and enhancing the integrity of your assemblies. Trust in this washer for optimal sealing and retaining capabilities in a wide range of industrial and DIY projects.