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. Offering various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they come in straight, RFI grounding, and standard plug configurations with 90-degree cable clamps. Compliant with military specification MIL-DTL-38999 II, these connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and available in different plating options, they ensure reliable performance in demanding applications. With RoHS certified cadmium-free finishes, these connectors are ideal for critical military and industrial systems.