The MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in a secure insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. These connectors, compliant with military specification MIL-DTL-38999 II, are crafted with durable aluminum shells and plated with options like gold, electroless nickel, and cadmium finishes. With Removable Crimp Contacts in sizes 16 and 20, they ensure reliable conductivity. Ideal for demanding applications, these connectors guarantee environmental resistance and longevity with up to 500 mating cycles.