M83513/03-D12N is a MIL-DTL-83513 compliant microminiature rectangular connector designed for high-density, lightweight interconnect applications. This connector features a polarized D configuration with 0.050" contact spacing, gold plated copper alloy contacts, and an aluminum metal shell. Key electrical specifications include a 3A maximum current rating, 8 milliohms maximum contact resistance, and dielectric withstanding voltage of 600 VAC at sea level. The connector is engineered to withstand harsh environments with thermal shock capability from -55°C to +125°C, vibration resistance up to 20 G's, and 500 mating cycles durability. Common applications include communications equipment, satellites, and medical devices where reliable, high-density interconnects are essential.