MIL-DTL-38999 Series II connectors offer robust connectivity solutions with up to 128 contacts, ideal for harsh environments. These environmentally sealed connectors feature a wide operating temperature range of -65 °C to 200 °C, ensuring reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in aluminum shells with multiple plating options, meeting stringent military specifications. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. With RoHS-certified finishes available, they are suitable for diverse applications in aerospace, defense, and industrial sectors.