The MIL-DTL-38999 Series II connectors, compliant with military specification standards, offer reliable performance in harsh environments. Featuring up to 128 contacts in an insert, they are designed for front wall mount, rear wall mount, jam nut, and box mount applications. Available in 9 shell sizes with various plating options, including RoHS certified finishes, these connectors ensure durability and longevity. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for diverse industrial and military applications. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, providing versatility in contact arrangements. Constructed with aluminum shells, they guarantee conductivity and environmental resistance, making them ideal for mission-critical systems.