MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are designed for durability. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Constructed with aluminum shells and offering a selection of plating finishes including cadmium-free options, these connectors ensure reliable performance. Utilizing M39029 rear release crimp contacts, they come in nine shell sizes and 52 insert arrangements, accommodating different needs. Ideal for military and aerospace applications, these connectors are compliant with MIL-DTL-38999 II specifications, guaranteeing quality and reliability in demanding environments.