MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for extreme operating temperatures ranging from -65 °C to 200 °C. Offering various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors are ideal for harsh environments. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16 and 12, ensuring reliable connections. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, these connectors meet stringent military specifications for durability. Suitable for applications requiring high mating cycles and conductivity, they are a dependable choice for demanding environments.
