The MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an extensive operating temperature range of -65°C to 200°C, these connectors are designed for reliability in demanding conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Constructed with aluminum shells and offering multiple plating options, such as cadmium-free finishes, these connectors ensure durability and compliance. Utilizing crimp contacts in different sizes, they provide secure and efficient connections. Suitable for military and industrial applications, the MIL-DTL-38999 Series II connectors guarantee high performance with a service rating of I and a mating life of 500 cycles.