MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, designed for harsh environments with operating temperatures ranging from -65 °C to 200 °C. Front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs, provide versatility. With 9 shell sizes and 52 insert arrangements available, these connectors use M39029 rear release crimp contacts in various sizes. Constructed with high strength aluminum shells, they come in plating options like iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum. RoHS certified cadmium-free finishes are also offered. The MS27468 connectors are specifically designed for military applications, featuring bayonet coupling and a dependable contact system. Suitable for demanding environments, they ensure reliable performance with a service rating of I and a service class of E.