The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and offering multiple plating options like electroless nickel and cadmium finishes, these connectors ensure durability and reliability. With RoHS compliant options, they meet modern environmental standards. Suitable for military and industrial use, these connectors with removable crimp contacts provide excellent conductivity and mating reliability, making them essential components in electronic systems.