The MIL-DTL-38999 Series II connectors are designed for rugged 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 and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they offer versatility in connectivity solutions. Utilizing M39029 rear release crimp contacts, they ensure reliable performance. Available in aluminum shells with plating options such as electroless nickel and cadmium finishes, these connectors meet stringent military specifications for durability. Perfect for applications requiring secure and efficient electrical connections in harsh conditions.