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. Available as thin-walled, restricted-length plugs, they offer various mounting options including front and rear wall mount, jam nut, and box mount receptacles. With straight, RFI grounding, and standard plug configurations, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements. Crafted from aluminum, they offer a range of plating options including cadmium-free finishes. Meeting MIL-DTL-38999 II specifications, these connectors ensure reliable performance in demanding military and industrial applications.