The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert for secure connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Featuring aluminum shells with options for plating including cadmium-free finishes, these connectors ensure durability and reliability. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Suitable for military and industrial use, the MIL-DTL-38999 Series II connectors meet stringent performance standards, making them a dependable choice for critical applications.