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. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. These connectors, part of the military specification MIL-DTL-38999 I series, come in 9 shell sizes and 52 insert arrangements, with M39029 rear release crimp contacts. Constructed with high strength aluminum shells and available in various plating options like cadmium and electroless nickel, they guarantee durability. RoHS compliant finishes are also available. Ideal for applications requiring reliable electrical connections in demanding conditions.