MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, these environmentally sealed connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. Offering versatility, they are available in straight, RFI grounding, and standard plugs with a 90-degree cable clamp. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable performance. Constructed with aluminum shells and plated with options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability. Suitable for a range of applications, these connectors provide excellent conductivity and ingress protection, making them ideal for demanding environments.