MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in a sealed insert. Engineered for harsh environments, these connectors feature various mounting options like front and rear wall mount, jam nut, and more. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for reliable connections. Crafted from aluminum, they come with plating options including cadmium-free finishes. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for military and industrial applications requiring durability and performance.