The MIL-DTL-38999 Series II connectors feature up to 128 contacts in a rugged 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, these connectors offer versatility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable configurations. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure reliable connectivity. Constructed with aluminum shells and offering plating choices like electroless nickel and cadmium finishes, these connectors meet RoHS compliance standards. Ideal for military and industrial applications requiring rugged, high-performance connectivity in demanding environments.