The MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for harsh operating conditions with a wide temperature range of -65 °C to 200 °C. Available in various mounting styles, including 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 cater to different connectivity needs. The connectors, compliant with military specification MIL-DTL-38999 II, are constructed with aluminum shells and offer multiple plating options, including cadmium-free finishes, ensuring durability and corrosion resistance. Suitable for demanding applications, these connectors guarantee reliable performance in challenging environments.