The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for reliable connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for various applications. Available in different mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they offer flexibility in installation. The connectors come in aluminum shells with various plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Perfect for military and industrial use, these connectors provide durable performance in demanding conditions.