MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering robust connectivity in harsh environments. These environmentally sealed connectors have an operating temperature range of -65 °C to 200 °C, ensuring reliable performance in extreme conditions. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, they provide versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors offer flexibility and ease of installation. Constructed from aluminum with plating options such as electroless nickel and cadmium, they meet stringent military specifications for durability. RoHS compliant finishes are also available, catering to environmental standards. Suitable for use in aerospace, defense, and industrial settings, these connectors are designed for optimal performance and longevity.