MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert for robust connectivity. With front and rear wall mount options, as well as jam nut and box mount receptacles, they provide versatile installation possibilities. These connectors feature a wide operating temperature range of -65 °C to 200 °C, ensuring reliability in extreme conditions. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Made of aluminum with various plating options, including cadmium-free finishes, they meet RoHS compliance standards. Ideal for military and industrial applications, these connectors offer durable performance with gold-plated contacts, bayonet coupling, and environmental sealing for lasting functionality.