The MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Designed for reliability, they utilize M39029 rear release crimp contacts and are offered in aluminum shells with a choice of plating options, including cadmium-free finishes. Meeting military specifications, these connectors ensure durable and secure connections, making them essential for mission-critical systems.