The MIL-DTL-38999 Series II connectors are built for rugged environments, featuring up to 128 contacts and complete environmental sealing. With a wide operating temperature range of -65°C to 200°C, they ensure reliable performance in harsh conditions. Available in various configurations like front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. The aluminum shells come in different plating options, including cadmium-free finishes, catering to diverse application needs. Utilizing M39029 rear release crimp contacts, they guarantee secure connectivity. Perfect for military and industrial use, these connectors meet stringent quality standards and offer longevity with 500 mating cycles.