MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. Designed for harsh environments, these connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options including cadmium and nickel, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. With a bayonet coupling design and gold contact plating, they provide high conductivity and are ideal for military and industrial applications demanding rugged performance.