MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts housed in an environmentally sealed insert. Designed for harsh environments, they can withstand temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs. Constructed with durable aluminum shells, they come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, these connectors ensure reliable electrical connections in demanding conditions.