The MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, they provide flexibility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options including cadmium-free finishes, they ensure durability and compliance with regulations. Ideal for military and industrial use, these connectors guarantee secure and efficient electrical connections in critical operations.