MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts with environmental sealing and an impressive operating temperature range of -65 °C to 200 °C. These connectors come in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, catering to diverse installation needs. Offering both straight and RFI grounding plugs with a 90-degree cable clamp option, they ensure secure and reliable connections. With 9 shell sizes and 52 insert arrangements available, they accommodate a wide range of applications. Constructed with aluminum shells and plated with options such as electroless nickel and cadmium finishes, they guarantee durability and performance. Certified for RoHS compliance, these connectors meet stringent environmental standards, making them ideal for military and industrial use.