The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert, designed for harsh environments. Operating between -65°C and 200°C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Featuring straight, RFI grounding, and standard plugs with 90-degree cable clamps, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Built with aluminum shells and available in multiple plating options, such as electroless nickel and cadmium-free finishes, these connectors ensure reliable performance in demanding applications. Compliant with MIL-DTL-38999 II specifications, they offer a secure mating interface with gold-plated contacts, suitable for military and industrial use.