The MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range from -65 °C to 200 °C, these connectors ensure reliability in demanding conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, boast durable aluminum shells with plating options such as electroless nickel and cadmium finishes. Equipped with removable crimp contacts and bayonet coupling, they facilitate secure and efficient connections. Ideal for applications requiring rugged connectivity, these connectors guarantee longevity with a mating life of 500 cycles.