MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and offer reliable performance in extreme conditions. With an operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. The plugs, with straight, RFI grounding, and standard options, come with a 90-degree cable clamp for secure connections. Compliant with military specification MIL-DTL-38999 II, they guarantee high-quality standards. Utilizing M39029 rear release crimp contacts, the connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. Constructed with aluminum shells and featuring various plating options, including cadmium-free finishes, they offer durability and corrosion resistance. With a focus on environmental sealing and RoHS compliance, these connectors are essential for critical operations in aerospace, defense, and industrial sectors.