MIL-DTL-38999 Series II connectors are engineered for rugged environments, featuring up to 128 contacts in a sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors provide reliable performance in harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. With M39029 rear release crimp contacts and gold plating, they ensure secure and efficient electrical connections. Designed to meet military specification MIL-DTL-38999 II, these circular plugs are ideal for demanding environments where durability and performance are critical.