MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells and RoHS-certified finishes, including cadmium-free options, these connectors ensure reliable performance in demanding applications. Suitable for military and industrial use, they meet stringent MIL-DTL-38999 I specifications for environmental resistance and durability.