MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options, they ensure reliable performance in temperatures ranging from -65°C to 200°C. With MIL-DTL-38999 II certification, these circular connectors meet stringent military specifications, making them ideal for applications requiring secure and durable electrical connections.