MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors, available in front and rear wall mount, as well as jam nut receptacles, ensure reliable connectivity. With 52 insert arrangements and M39029 rear release crimp contacts, they offer versatility for various applications. Made of high-strength aluminum with options for plating such as cadmium olive drab and electroless nickel, they meet stringent military specifications. RoHS compliant finishes are also available, catering to environmental regulations. With a straight plug shell style and gold-plated contacts, these connectors guarantee optimal performance in demanding conditions, making them ideal for military and industrial use.