MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an 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, they are versatile for different applications. The connectors come in aluminum shells with multiple plating options, ensuring durability and resistance to corrosion. Compliant with military specifications, they are ideal for use in aerospace, defense, and industrial settings.