MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure reliable performance. Constructed with aluminum shells and offering plating options such as cadmium and electroless nickel, they meet stringent military specifications. RoHS compliant finishes are also available. Suitable for use in demanding environments, these connectors are ideal for applications requiring rugged and reliable electrical connections.