The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in a single insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they feature durable aluminum shells with plated finishes for corrosion resistance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. MIL-DTL-38999 Series II connectors are ideal for military, aerospace, and industrial applications where ruggedness and reliability are essential.