MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts sealed for protection. With an operating temperature range of -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The aluminum shells come with multiple plating options, including cadmium-free finishes for RoHS compliance. Using M39029 rear release crimp contacts, these connectors ensure secure connections with options for straight, RFI grounding, and standard plugs. With a 90-degree cable clamp and 52 insert arrangements, they cater to diverse connectivity needs. The Series II connectors, meeting MIL-DTL-38999 specifications, are ideal for military and industrial applications requiring rugged and durable electrical connections.