MIL-DTL-38999 Series II connectors are designed for demanding environments, with up to 128 contacts sealed within an insert. Operating between -65 °C and 200 °C, they offer reliability in extreme temperatures. Available in various receptacle types, including front and rear wall mount, jam nut, and box mount, these connectors feature thin walls and restricted lengths for space-saving installations. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they ensure secure connections in diverse applications. Constructed from aluminum with plating choices like cadmium and electroless nickel, they meet stringent military specifications. With RoHS-compliant finishes available, these connectors provide durability and performance in harsh conditions.