The ABBATRON / HH SMITH part 9190 is a high-quality nylon round spacer designed for versatile applications requiring reliable insulation and spacing. With an outer diameter of 3/16 inches, an inner diameter suitable for #4 screws, and a length of 3/4 inches, this spacer is perfect for ensuring precise alignment and sturdy assembly of components in electronic, electrical, and mechanical projects. Its durable nylon construction offers superior lightweight strength, corrosion resistance, and excellent dielectric properties. Ideal for use in varying environmental conditions, the 9190 spacer consistently delivers exceptional performance and longevity, making it an essential component for engineers and hobbyists alike.