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. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure reliable connectivity. Crafted from aluminum with plating options including cadmium-free finishes, they meet RoHS standards. Ideal for military and aerospace applications, these connectors guarantee durability and performance in demanding conditions.