MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, suitable for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with plating options including gold, electroless nickel, and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Designed for durability, these connectors are ideal for applications requiring high-performance in demanding conditions.