The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for secure connections. Made of high-strength aluminum, they come in different plating options such as cadmium and nickel. These connectors, meeting military specifications, offer reliable performance with gold-plated contacts and bayonet coupling. Suitable for wall mounting, the receptacles ensure connectivity in rugged conditions. With RoHS compliant finishes available, they guarantee environmental safety.