The ABBATRON / HH SMITH Part 9181 is a precision-engineered nylon round spacer, designed for applications requiring reliable insulation and spacing solutions. With an outer diameter of 3/16", an inner diameter suitable for #4 screws, and a length of 3/16", this spacer delivers robust performance in electronic, mechanical, or industrial assemblies. Constructed from high-quality nylon, it offers excellent electrical insulation, resistance to wear, and durability. Ideal for use in circuit boards, mechanical assemblies, or anywhere precise spacing is critical, this spacer ensures long-lasting and dependable performance.