1586019-4 is a VAL-U-LOK double-row receptacle housing connector designed for wire-to-wire, wire-to-board, and wire-to-panel interconnect applications. The housing is constructed from UL 94V-0 rated nylon material in white color, providing excellent flame resistance and durability. This 4-position connector features a double-row configuration with a 3.5 mm centerline spacing and is compatible with 0.25 mm thick copper alloy contacts. The connector is RoHS compliant and suitable for applications requiring reliable, compact interconnections in industrial and consumer electronics where space efficiency and electrical performance are critical.