MIL-DTL-38999 Series I connectors, designed for harsh environments, feature up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors offer versatility and reliability. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come with different plating options, including RoHS-certified finishes, ensuring durability and performance. Ideal for military and industrial applications, these connectors, with wall mount and jam nut receptacles, provide efficient and secure electrical connections in demanding environments.