The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and boast environmental sealing for reliable performance. With an operating temperature range spanning from -65°C to 200°C, these connectors offer durability in extreme conditions. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in aluminum shells with options for plating, such as cadmium and nickel, catering to diverse application needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Meeting military specifications, these connectors are ideal for demanding industrial and aerospace settings.