The Electro Hardware S1079-M01-F21-J is a precision-engineered round circuit board spacer designed to provide accurate spacing between circuit boards in electronic assemblies. This spacer features a 1/2-inch overall length, a 3/8-inch outside diameter, and is compatible with #12 screws, making it suitable for a wide range of electronic applications. Constructed from high-quality brass, the spacer offers superior strength and resistance to corrosion, ensuring long-term durability and reliable performance. The zinc-plated finish enhances its resistance to oxidation, further extending its service life. The female unthreaded design allows for easy installation and secure fitting, facilitating efficient assembly processes. Adhering to industry standards ASTM B633 and QQ-B-626 Comp 22 & Type 1, this spacer meets stringent quality requirements, ensuring consistent and dependable performance in various electronic projects. By maintaining precise spacing between circuit boards, the S1079-M01-F21-J spacer helps prevent component interference and overheating, thereby enhancing the overall functionality and longevity of electronic devices. Its versatility makes it an essential component in electronics assembly, repair, and maintenance, providing a reliable solution for achieving optimal spacing in electronic circuits.