MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed, with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility in applications. The connectors come in aluminum shells with plating options including cadmium and nickel. With RoHS compliant finishes, they ensure reliability and performance in military and industrial settings. Perfect for wall mounting, they provide secure and durable connections, making them essential components in demanding environments.