The MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert that ensures reliable connectivity. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for protection. Available in various configurations like front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The plugs come in straight, RFI grounding, and standard options, with multiple shell sizes and insert arrangements to choose from. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Made with aluminum shells and offering a range of plating options including cadmium-free finishes, they meet stringent military specifications for durability. Suitable for demanding applications, these MIL-DTL-38999 Series II connectors are ideal for use in aerospace, defense, and industrial settings.