MIL-DTL-28840 harsh environment connectors are designed for rugged applications, offering a variety of receptacles and plugs with straight, 45°, and 90° backshells. Available in multiple shell sizes and insert arrangements, they feature M39029 size 20 crimp removable contacts. Constructed from wrought aluminum, corrosion-resistant, or stainless steel, with plating options including olive drab cadmium and black zinc nickel, they ensure durability in challenging environments. With RoHS-compliant finishes, these connectors are ideal for high-shock, high-density, and shipboard use, meeting stringent military specifications for reliability and performance.