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, as well as straight and 90-degree cable clamp plugs. Compliant with military specifications, these connectors offer reliable performance with M39029 rear release crimp contacts. Constructed with aluminum shells and plated with options such as electroless nickel and cadmium finishes, they ensure durability and conductivity. With RoHS certified cadmium-free variants, these connectors guarantee environmental compliance while providing 500 mating cycles. Ideal for applications requiring high reliability in challenging conditions.