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 styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, these connectors cater to different cable configurations. Compliant with military specification MIL-DTL-38999 II, they guarantee reliability in demanding applications. Constructed with aluminum shells and offering multiple plating options including gold and electroless nickel, these connectors ensure robust performance and longevity. RoHS compliant finishes are also available, making them suitable for environmentally conscious projects. With a service rating of I and a mating life of 500 cycles, these connectors are ideal for critical connectivity in aerospace, defense, and industrial settings.