60443-1 is a 187 Series FASTON mechanical test tab designed for use with all 187 Series receptacles. This Style A test tab features a stock thickness of 0.020 inches (0.51 mm), an overall length of 0.605 inches (15.37 mm), and a stud diameter of 0.125 inches (3.18 mm). The tab is constructed from tin plated brass material, providing good conductivity and corrosion resistance. These test tabs are commonly used in electrical test setups for mechanical testing of FASTON receptacles as outlined in UL 310 standards.