MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering durable environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Designed for harsh environments, these connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they accommodate different cable clamp orientations. Compliant with military specification MIL-DTL-38999 II, these circular connectors ensure reliable connectivity with gold-plated removable crimp contacts. Available in aluminum shells with plating choices including electroless nickel and cadmium finishes, they meet rigorous RoHS and environmental standards for diverse applications.