MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert and a wide operating temperature range of -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity solutions. These connectors come in aluminum shells with multiple plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure reliable performance. With a bayonet coupling and gold contact plating, they offer secure and durable connections. Perfect for military and industrial applications, these connectors are rugged and dependable, meeting stringent MIL-DTL-38999 II specifications.