350990-4 is a 9-circuit socket header connector part of the Universal MATE-N-LOK connector family, designed for wire-to-board power circuit applications. This connector features a long tail configuration with pre-tin brass socket finish and is rated UL94V-2 for flammability. The connector has a 0.800 inch (20.32 mm) A dimension and is compatible with plug housings using pin contacts (part number 1-480706-0). The design includes a compact mated height of 19.4 mm with 5.0 mm contact centerline spacing, double lock plates for complete contact loading, and protective walls surrounding locking levers to prevent wire tangling. This connector is particularly suited for power circuits in home appliances, especially gas appliances, where reliable electrical connections and compact design are essential.