The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering reliable performance in extreme conditions. With up to 128 contacts in an insert, these connectors are ideal for high-density applications. Featuring front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity options. The aluminum shells are environmentally sealed and can withstand temperatures ranging from -65°C to 200°C. Using M39029 rear release crimp contacts, they ensure secure and durable connections. Available in various plating options, including gold and electroless nickel, these connectors meet stringent military specifications for conductivity and ingress protection. With a mating type of bayonet coupling, they offer easy and efficient installation. Suitable for a wide range of industries, from aerospace to telecommunications, these connectors are essential for ensuring reliable electrical connections in demanding environments.