The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse connectivity needs. Crafted from aluminum with multiple plating options, such as gold and electroless nickel, they ensure durability and conductivity. Compliant with MIL-DTL-38999 II standards, these circular connectors are ideal for military applications, offering secure bayonet coupling and EMI shielding. With a focus on quality and performance, they guarantee up to 500 mating cycles, making them a dependable choice for critical operations in harsh environments.