MIL-DTL-38999 Series II connectors boast exceptional durability and versatility, with up to 128 contacts housed within an environmentally sealed insert. Designed for harsh environments, these connectors can operate in temperatures ranging from -65 °C to 200 °C. Offering various mounting options, including front wall, rear wall, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors feature gold-plated, removable crimp contacts for reliable conductivity. Constructed with aluminum shells and coated in electroless nickel for added protection, they ensure longevity in demanding applications. With their Bayonet coupling and N keyway polarization, they guarantee secure mating and alignment. Meeting MIL-DTL-38999 II specifications, these connectors are ideal for military and industrial use, offering 500 mating cycles and resistance to environmental factors.