MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options such as front wall, rear wall, jam nut, and box mount receptacles. 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. Crafted from aluminum, these connectors come with plating options including electroless nickel and cadmium finishes. With a temperature range of -65°C to 200°C, they ensure reliable operation in demanding conditions. RoHS compliant versions are also available. Perfect for military and industrial applications, these connectors guarantee durability and high performance.