4.2mm Receptacle Housing Nylon 4 Positions Dual Row Connector refers to an electrical connector designed for use in various applications where a dual-row configuration with four positions is required. Nylon is a common material for connector housings due to its durability, good insulation properties, and resistance to wear. The connector is configured in a dual-row layout, meaning that the four positions are arranged in two parallel rows. This dual-row design allows for a higher density of connections within a given space. 4.2mm Receptacle Housing Nylon 4 Positions Dual Row Connector is a general-purpose connector that may find use in various electronic or electrical systems where a dual-row, 4-position configuration is suitable.