MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and efficient installations. Featuring a range of plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability and performance. With male pin contacts and a bayonet mating system, these connectors guarantee reliable conductivity and are ideal for applications requiring rugged and reliable connectivity in challenging conditions.