MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, they offer flexibility in installation. The connectors comply with military specification MIL-DTL-38999 I and come in high-strength aluminum shells with multiple plating options such as cadmium and electroless nickel. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity in aerospace, defense, and industrial settings. With RoHS-certified finishes available, these connectors are environmentally friendly while offering excellent performance.