The 87499-9 is a single-row receptacle housing assembly for the AMPMODU Mod IV interconnection system, featuring a low-profile outrigger design with .100 x .100 inch (2.54 x 2.54 mm) centerline spacing and end-to-end stackable configuration. The housing is constructed from glass-filled thermoplastic rated 94V-0 and accommodates 5 positions with dimensions of .505 inches (12.83 mm) length, .200 inches (5.08 mm) width, and .200 inches (5.08 mm) height. It features dual entry capability and accepts standard pressure contacts with multiple plating options (Plating A, B, or C) for different environmental and performance requirements. The assembly is available in both stamped and unstamped configurations and is RoHS compliant, making it suitable for wire-to-board interconnection applications in industrial, telecommunications, and consumer electronics equipment.