42490-4 is a 187 Series FASTON wire crimp tab terminal designed for secure electrical connections with 22-18 AWG wire. This Style A terminal features a tab thickness of 0.020 inches (0.51 mm) and a stock thickness of 0.020 inches (0.51 mm), constructed from brass material. It accommodates insulation diameters ranging from 0.080 to 0.120 inches (2.03-3.05 mm) and is UL recognized. This FASTON tab is commonly used in appliance, automotive, and industrial applications where reliable quick-connect terminations are required.