The 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 like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With straight, RFI grounding, and 90-degree cable clamp plugs, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options including electroless nickel and cadmium finishes, they ensure durability and reliability. Meeting MIL-DTL-38999 II standards, these connectors are ideal for military and industrial applications requiring high-performance connectivity in demanding conditions.