MIL-DTL-38999 Series II connectors offer high-performance connectivity solutions for harsh environments. With up to 128 contacts housed in an environmentally sealed insert, these connectors ensure reliable operation in extreme conditions. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The connectors, available in aluminum shells, are plated with options like electroless nickel and cadmium finishes, meeting diverse requirements. Designed for durability, they have a wide operating temperature range from -65°C to 200°C. Compliant with military specifications, these connectors are ideal for demanding military and aerospace applications.