MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells, these connectors come with a choice of plating options including cadmium-free finishes. With MIL-DTL-38999 I military specification compliance, they ensure reliable performance in demanding applications requiring up to 500 mating cycles.