The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high strength aluminum shells with options for plating, including cadmium-free finishes. The family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, all meeting stringent military specifications for performance and durability. Suitable for demanding applications, these connectors ensure secure and efficient electrical connections.