The MIL-DTL-38999 Series II connectors offer high-performance 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 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Crafted from durable aluminum, they come in a range of plating options including cadmium and nickel for corrosion resistance. RoHS compliant finishes are also available, ensuring environmental responsibility. Suitable for military and industrial use, the MIL-DTL-38999 Series II connectors provide secure and efficient electrical connections in challenging conditions.