770249-4 is a loose piece socket contact designed for use in Commercial MATE-N-LOK connector systems. This contact is manufactured from phosphor bronze with a pre-tin finish and accommodates wire sizes ranging from 20-14 AWG (0.5-2.0 mm²). The contact features an insulation diameter range of 0.060-0.130 inches (1.52-3.30 mm) and has an L dimension of 1.005 inches (25.53 mm). These contacts are commonly used in wire-to-board power circuit applications, particularly in home appliances and gas appliances where reliable electrical connections are essential.