MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65°C to 200°C, they offer durability in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and angled plugs, these connectors provide versatility for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure connections. Made with aluminum shells and offering plating options like cadmium and nickel, they meet diverse requirements. RoHS compliant finishes are also available, making them environmentally friendly choices. With a focus on performance and durability, these connectors are ideal for military and industrial applications.