MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, featuring environmental sealing for reliable performance in harsh conditions. Designed for a wide temperature range from -65 °C to 200 °C, these connectors come in various configurations such as front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they accommodate diverse cable setups. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and available in different plating options including cadmium and nickel, they meet stringent military specifications for durability and reliability. Suitable for aerospace, defense, and industrial applications, MIL-DTL-38999 Series II connectors are essential for maintaining connectivity in mission-critical systems.