The MIL-DTL-38999 Series II connectors offer rugged durability and high performance in harsh environments. With up to 128 contacts in each insert, these connectors provide reliable electrical connections. Featuring a wide operating temperature range from -65°C to 200°C, they are suitable for a variety of applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. With gold-plated contacts and a bayonet coupling mechanism, these connectors ensure secure mating and conductivity. Designed for military specifications, they meet the stringent requirements of MIL-DTL-38999 Series II, making them ideal for use in demanding environments where reliability is crucial.