MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts and environmental sealing for reliable performance in harsh conditions. Operating temperatures ranging from -65 °C to 200 °C ensure suitability for diverse applications. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors provide versatility. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum, with plating options including cadmium-free finishes, they meet stringent military specifications. Ideal for demanding environments, these connectors guarantee durability and conductivity, making them essential components in aerospace, defense, and industrial systems.