MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in connectivity. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with plating options including cadmium and nickel, they ensure durability and reliability. Suitable for military and industrial applications, these connectors guarantee high performance with RoHS compliant finishes.