The MIL-DTL-38999 Series II connectors are designed for rugged environments with up to 128 contacts housed in a sealed insert. Operating between -65 °C and 200 °C, these connectors come in various styles including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options like cadmium and nickel, these connectors ensure reliable performance in demanding applications. The straight plug configuration with removable crimp contacts, gold plating, and bayonet coupling make them ideal for military and industrial use, meeting stringent MIL-DTL-38999 II specifications.
