MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility in applications. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide secure connections. Constructed with high strength aluminum shells and offering plating choices like cadmium and nickel, these connectors ensure durability. Ideal for military and industrial use, they meet stringent standards for reliability.