MIL-DTL-38999 Series I 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 shell sizes and insert arrangements, these connectors offer front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs. Constructed with high strength aluminum shells, they come with a choice of plating finishes including cadmium-free options. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity with gold-plated contacts. Meeting military specification MIL-DTL-38999 I, they are ideal for applications requiring durability and performance in challenging conditions.