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, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells, these connectors come with multiple plating choices, including cadmium-free finishes, ensuring durability and reliability. Compliant with military specifications, they are ideal for applications requiring secure electrical connections in challenging conditions.