The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mount types including front wall, rear wall, and jam nut receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs with a 90-degree cable clamp, these connectors provide secure and reliable connections. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure efficient signal transmission. Constructed with aluminum shells and offered in different plating options such as electroless nickel and cadmium finishes, they meet diverse application needs. With RoHS compliant variants available, these connectors are suitable for military and industrial use, providing durability and performance in demanding settings.