MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. This connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, offering versatility in connectivity solutions. With 9 shell sizes and 52 insert arrangements available, these connectors utilize M39029 rear release crimp contacts in various sizes, ensuring secure connections. Constructed with high strength aluminum shells and offered in multiple plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, they meet stringent military specifications. RoHS certified cadmium-free finishes are also available, catering to environmental regulations. The MS27467 connectors are ideal for applications requiring reliability in extreme conditions, with their durable construction and versatile design.