The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts and a wide operating temperature range of -65 °C to 200 °C. These connectors, available in various styles like front and rear wall mount, jam nut, and box mount receptacles, offer versatility in connectivity solutions. With options for straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, they cater to diverse applications. Constructed with aluminum shells and offering plating choices including cadmium-free finishes, they ensure durability and reliability. Compliant with military specification MIL-DTL-38999 II and boasting features like bayonet coupling and removable crimp contacts, these connectors are ideal for demanding military and industrial settings.