The 1-87631-9 is a 24-position, double-row wire-applied housing within the AMPMODU Mod IV Interconnection System. It is constructed from black, flame-retardant thermoplastic and features a .100 x .100 inch centerline spacing. This specific model is an unstamped version that comes without a strain relief but includes polarization features and two detent latches for secure mating. The housing accepts a variety of receptacle and pin contacts that terminate 32-20 AWG discrete wire. The complete assembly is designed for reliable wire-to-board connections, mating with .025 inch square or round posts.