MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they are environmentally sealed for reliable performance. Available in various mounting options including jam nut, front and rear wall mount, and box mount receptacles, these connectors feature bayonet coupling for secure connections. The plugs come in straight, RFI grounding, and standard configurations with a 90-degree cable clamp. Constructed with aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications. Utilizing removable crimp contacts, these connectors ensure conductivity and durability, with a mating life of 500 cycles. RoHS compliant options are also available, making them suitable for a wide range of applications requiring reliable, high-performance connectivity in demanding environments.