The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile connectivity solutions. Made with aluminum shells and offering multiple plating options, they meet stringent military specifications for durability. The removable crimp contacts, gold-plated for optimal conductivity, guarantee secure connections. With a bayonet coupling and 500 mating cycle durability, these connectors are ideal for demanding applications requiring environmental resistance.