171639-1 is a loose piece socket contact designed for use in Mini-Universal MATE-N-LOK connector systems. This contact is manufactured from brass with a pre-tin finish and is suitable for wire sizes ranging from 20-16 AWG (0.5-1.2 mm²) with an insulation diameter range of 0.079-0.126 inches (2.01-3.20 mm). The contact features a 0.163 inch (4.14 mm) centerline spacing and is compatible with various plug housings in the Mini-Universal MATE-N-LOK family. This socket contact is ideal for wire-to-board and wire-to-wire applications requiring reliable electrical connections in industrial, automotive, and consumer electronics.