MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The connectors come in aluminum shells with a choice of plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. These military specification connectors, known for their durability and performance, are ideal for demanding industrial and aerospace applications.