The MIL-DTL-38999 Series II connectors feature up to 128 environmentally sealed contacts, with a wide operating temperature range of -65°C to 200°C. These harsh environment connectors, available in various mounting styles, offer reliable performance in demanding applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With options for RoHS compliant finishes, including cadmium-free coatings, they meet stringent environmental standards. Ideal for military and aerospace use, these connectors, with aluminum shells and gold-plated contacts, guarantee durability and conductivity. Meeting MIL-DTL-38999 II specifications, they are designed for rugged environments, with a service rating of I for reliable operation.