MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options including wall mount, jam nut, and box mount receptacles, they meet stringent military specifications. Featuring gold-plated removable crimp contacts, they ensure secure connections with a mating life of 500 cycles. Constructed with aluminum shells and offered in RoHS compliant finishes, these connectors are ideal for applications requiring durability and conductivity in demanding settings.