The M83513/04-G03C is a 51-contact, crimp-type receptacle connector designed to meet MIL-DTL-83513 specifications. This high-density connector features a keystone-shaped aluminum shell with a cadmium/yellow chromate finish for durability and polarization. It utilizes the field-proven twist pin contact system with gold-plated copper alloy contacts on a .050-inch spacing, and comes pre-wired with 18-inch, #26 AWG color-coded leads. Its lightweight and high-density design makes it ideal for demanding applications in avionics, communications equipment, satellites, and medical devices where space and reliability are critical.