The MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, designed for harsh environments with an operating temperature range of -65°C to 200°C. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, come in various shell sizes and insert arrangements, accommodating M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and available in different plating options such as cadmium and nickel, they guarantee durability and reliability. With RoHS-certified finishes, these connectors are ideal for applications requiring environmental resistance.