MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, these connectors are built for durability. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors come in aluminum shells with plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum. RoHS certified finishes are also available. Utilizing M39029 rear release crimp contacts, they ensure reliable connections, with options for straight, RFI grounding, and 90 degree cable clamp plugs. Suitable for military applications, these connectors meet the stringent requirements of MIL-DTL-38999 II specifications.