MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. These circular plugs feature a wide operating temperature range from -65 °C to 200 °C, ensuring reliability in extreme conditions. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they provide flexibility for diverse applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering a range of plating options, including cadmium-free finishes, they meet stringent military specifications. With RoHS compliance, they guarantee environmental safety. Ideal for demanding environments, these connectors are designed for durability and performance.