MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various shell sizes and insert arrangements, they come in front wall mount, rear wall mount, and jam nut receptacles, with options for RFI grounding plugs. Constructed with high-strength aluminum shells, they can be plated with finishes such as electroless nickel and cadmium olive drab, meeting RoHS compliance standards. Perfect for military and industrial applications, these connectors provide secure and durable electrical connections.