The THOMAS & BETTS part 142AL is a high-quality locknut designed for cable protection systems. Made from durable aluminum, this locknut ensures a secure and reliable connection for your electrical installations. With a 0.75-inch female thread, it is compatible with a wide range of fittings and connectors. Whether you are working on residential, commercial, or industrial projects, this locknut is the perfect solution to protect and secure your cables. Trust THOMAS & BETTS for top-notch electrical fittings that deliver exceptional performance and durability.