MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed 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, these connectors offer versatility. With options for straight, RFI grounding, and standard plugs, they cater to different cable configurations. Compliant with military specifications, the connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Crafted with aluminum shells and various plating options such as cadmium and nickel, they ensure durability. The connectors, with RoHS-certified finishes available, guarantee reliable performance in demanding applications.