MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure reliable performance in demanding conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Made with aluminum shells and offering multiple plating options, such as electroless nickel and iridescent yellow cadmium, these connectors are durable and corrosion-resistant. Compliant with military specification MIL-DTL-38999 II, they provide a high level of quality and reliability. The connectors utilize M39029 rear release crimp contacts, with options for different contact sizes and types. Suitable for both military and commercial use, these connectors are ideal for applications requiring rugged and secure electrical connections.