MIL-DTL-38999 Series II connectors are designed for rugged environments, with up to 128 contacts sealed for protection. Operating between -65 °C and 200 °C, they ensure reliability in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Featuring crimp contacts and bayonet coupling, these connectors meet military specifications for durability. With gold plating and electroless nickel coating options, they guarantee high conductivity and corrosion resistance. Suitable for use in aerospace, defense, and industrial applications, they provide a secure and reliable electrical connection.