MIL-DTL-38999 Series II connectors offer rugged durability for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range from -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Available in various mounting options including front and rear wall, jam nut, and box mounts, these connectors are versatile for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they provide secure connectivity. Constructed with aluminum shells and offered in plating options like electroless nickel and cadmium finishes, they meet diverse needs. Certified for RoHS compliance, these connectors are ideal for military and industrial use, delivering high performance with 500 mating cycles.