MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, these connectors offer versatility in installation. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they ensure reliable performance. With M39029 rear release crimp contacts and gold plating, they guarantee secure and efficient connections. Meeting military specification MIL-DTL-38999 II, these circular connectors are ideal for applications requiring durability and environmental resistance.