641974-1 is a 12-circuit vertical pin header designed for wire-to-board power circuit applications. This polarized standard tail pin header features UL94V-0 flammability rating and pre-tin plating, with an A dimension of 1.050 inches (26.67 mm). The connector is part of the Universal MATE-N-LOK II series and mates with plug housing part number 770022-1 using socket contacts. It features a 5.0 mm contact centerline and compact design with 19.4 mm mated height. This connector is ideal for power circuits in home appliances, particularly gas appliances, and is UL recognized and CSA certified.