1-1586019-6 is a UL 94V-0 white nylon receptacle housing designed for high-density wire-to-wire connectors with 3.5 mm centerline spacing. The housing accommodates 16 socket contact positions and is constructed from 6/6 nylon material with UL 94V-0 flame rating and a CTI rating of 600 V or higher, ensuring excellent electrical insulation and safety performance. The receptacle housing features a compact design with dimensions of 38.8 mm length (reference), 29.4 mm width (reference), and 4.2 mm typical height, with contact spacing of 3.5 ± 0.3 mm. This connector is RoHS compliant and is commonly used in industrial control systems, telecommunications equipment, and automotive applications where reliable wire-to-wire connections and high-density packaging are required.