MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. These connectors, compliant with military specification MIL-DTL-38999 II, are crafted with aluminum shells and available in different plating options, including cadmium-free finishes for RoHS compliance. With a wide operating temperature range from -65 °C to 200 °C, they guarantee reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts, these connectors provide secure and efficient connections, ideal for demanding applications in aerospace, defense, and industrial sectors.