MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors, available in various mounting styles, including wall mount and box mount, offer durability and reliability. With options for straight, RFI grounding, and standard plugs, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The aluminum shells come with plating options such as electroless nickel and cadmium finishes. RoHS compliant variants are also available, making them suitable for a wide range of applications requiring rugged, environmentally sealed connectors.