The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts sealed within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they cater to diverse installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with plating options including gold, electroless nickel, and cadmium-free finishes for RoHS compliance. Featuring removable crimp contacts and a bayonet coupling, they ensure secure and efficient electrical connections. Suitable for applications requiring high durability and performance, these connectors are essential for mission-critical environments.