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 mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide secure connections for demanding applications. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating options such as gold, electroless nickel, and cadmium finishes. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure reliable conductivity. Offering RoHS certified cadmium-free finishes, these connectors are ideal for military, aerospace, and other rugged environments.