MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a sealed insert. With an operating temperature range from -65°C to 200°C, these connectors ensure reliable performance in harsh conditions. Featuring various mounting options like wall mount, jam nut, and box mount, they provide versatility in installation. The aluminum shells come with plating options including gold, electroless nickel, and cadmium finishes. Utilizing M39029 crimp contacts, they guarantee secure connections with 500 mating cycles. RoHS compliant, these connectors are ideal for military, aerospace, and industrial applications requiring durability and conductivity.