MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for versatile connectivity. With a wide operating temperature range of -65 °C to 200 °C, they provide reliable performance in extreme conditions. Available in various mounting options including jam nut, wall mount, and box mount receptacles, these connectors offer flexibility in installation. The plugs come in straight, RFI grounding, and standard configurations, with 90-degree cable clamp options. Constructed with aluminum shells and offering multiple plating choices, including cadmium-free finishes, they ensure durability and compliance with RoHS standards. Ideal for military and industrial applications, these connectors are engineered for high reliability with features like rear release crimp contacts and environmental sealing.