MIL-DTL-38999 Series II connectors offer high performance in demanding environments, with up to 128 contacts and a wide operating temperature range of -65 °C to 200 °C. These connectors, in aluminum shells, come in various plating options including cadmium-free finishes. Featuring front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they cater to different connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. RoHS compliant and designed for 500 mating cycles, these connectors are ideal for applications requiring durability and performance in harsh environments.