The 1-641964-1 is a 2-circuit, black, vertical pin header from the Universal MATE-N-LOK connector series, designed for wire-to-board connections. It features a polarized design to prevent mismating and has a UL94V-2 flammability rating. The header has a .250 inch centerline spacing and is equipped with standard polarized tails with a pre-tin finish. This component is rated for 600V AC/DC and is suitable for a wide range of commercial and industrial applications requiring a reliable and robust interconnect system.