The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, providing robust environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Designed for harsh environments, these connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they offer versatility in connectivity solutions. Constructed with aluminum shells and available in different plating options like electroless nickel and cadmium finishes, these connectors ensure reliable performance. Meeting military specification MIL-DTL-38999 II, they are ideal for applications requiring durability and high-performance in challenging conditions.