MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure connections. Offering 52 insert arrangements and utilizing M39029 rear release crimp contacts, they guarantee reliable performance. Constructed with aluminum shells and plated with options like electroless nickel and cadmium finishes, they provide durability and corrosion resistance. Meeting MIL-DTL-38999 II military specification, these connectors are ideal for applications requiring rugged and dependable connectivity.