MIL-DTL-38999 Series II connectors boast exceptional versatility with up to 128 contacts in a single insert, ensuring robust electrical connectivity in demanding environments. These connectors, designed for harsh conditions, feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, offering flexibility in connectivity solutions. Crafted from durable aluminum, these connectors come with multiple plating options including cadmium-free finishes for RoHS compliance. With a wide operating temperature range of -65 °C to 200 °C and a service rating of I, they ensure reliable performance even in extreme conditions. Perfect for military and industrial applications, the MIL-DTL-38999 II connectors are the go-to choice for high-reliability connectivity solutions.