MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Designed for harsh environments, these connectors come in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with a choice of plating options, such as cadmium and nickel, they ensure reliable performance. With M39029 rear release crimp contacts in multiple sizes, these connectors cater to diverse applications. Meeting stringent military specifications, they guarantee durability and conductivity, making them ideal for demanding industrial and defense systems.