MIL-DTL-38999 Series II connectors are designed for harsh environments, offering reliability with up to 128 contacts in an insert. These connectors are environmentally sealed, ensuring performance in extreme conditions ranging from -65 °C to 200 °C. With various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in aluminum shells with plating options including cadmium and nickel, they meet stringent military specifications. Featuring removable crimp contacts and bayonet coupling, these connectors guarantee secure and efficient connectivity. Suitable for applications requiring EMI/RFI shielding, they are essential components for aerospace, defense, and industrial systems.