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