The MIL-DTL-38999 Series II connectors boast exceptional versatility with up to 128 contacts housed within their environmentally sealed inserts. Designed for harsh environments, these connectors operate flawlessly in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Crafted from durable aluminum, they come with multiple plating choices, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors guarantee reliable performance with their gold-plated contacts and conductive socket design. With a service life of 500 cycles, they ensure long-term functionality in demanding environments.