MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. Compliant with military specifications, these circular plugs are designed for durability, with a wide operating temperature range of -65 °C to 200 °C. Utilizing high-strength aluminum shells and various plating options, including electroless nickel, they provide reliable performance in demanding conditions. With RoHS-certified finishes available, these connectors guarantee both functionality and environmental compliance.