The 1-104257-5 is an MTE receptacle housing assembly designed for the AMPMODU Interconnection System with single-row, end-stackable configuration. It features a 0.100 inch [2.54 mm] centerline spacing with 0.200 inch [5.08 mm] tine spacing and low-profile outrigger design, enabling end-to-end stackability. The housing is constructed from glass-filled thermoplastic material rated 94V-0 with multiple plating options including duplex gold and matte tin finishes for enhanced durability and electrical performance. The assembly accommodates 16 positions with dimensions of 1.598 inches [40.59 mm] length and 1.500 inches [38.10 mm] width, and supports contact current ratings of 3 amperes with a maximum termination resistance of 12 milliohms. This receptacle assembly is ideal for wire-to-board applications in compact, stackable connector systems requiring reliable polarized or latching configurations.