The MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in a durable insert. With an operating temperature range of -65 °C to 200 °C, they provide reliable performance in extreme conditions. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet the stringent requirements of military specifications. Featuring gold-plated removable crimp contacts, they ensure secure and efficient electrical connections. Constructed with aluminum shells and offered with a choice of plating options, including electroless nickel and cadmium finishes, these connectors guarantee both durability and environmental resistance. Suitable for a wide range of applications, they are ideal for use in aerospace, defense, and industrial settings.