The MIL-DTL-28840 harsh environment connectors offer a range of options including wall mount receptacles, in-line receptacles, box mount receptacles, jam nut receptacles, and cable connecting plugs. Designed for high shock and shipboard environments, they feature straight, 45°, and 90° backshells with 9 shell sizes and 9 insert arrangements. Utilizing M39029 size 20 crimp removable contacts, these connectors are available in wrought aluminum, corrosion-resistant, and stainless steel variants with various plating options like olive drab cadmium, black cadmium, and non-reflective nickel fluorocarbon polymer. With RoHS-compliant finishes, these connectors ensure reliable performance in demanding applications.