MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in a single insert. These connectors are environmentally sealed, offering reliable performance in temperatures ranging from -65 °C to 200 °C. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. Featuring aluminum shells with multiple plating choices, such as electroless nickel and cadmium-free finishes, these connectors prioritize durability and compliance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With a straight plug design and bayonet coupling, they are ideal for military and industrial applications requiring EMI/RFI shielding. The MIL-DTL-38999 Series II connectors meet stringent military specifications, making them a reliable choice for demanding environments.