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 in installation. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating options such as electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Suitable for demanding applications, they provide environmental resistance and durability, meeting stringent performance standards.