MIL-DTL-38999 Series II connectors are engineered for rugged environments, boasting up to 128 contacts within their inserts. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. Featuring aluminum shells with plating options like electroless nickel and cadmium olive drab, they ensure durability and corrosion resistance. Compliant with military specifications, these connectors are ideal for demanding military and aerospace applications requiring secure and high-performance electrical connections.