MIL-DTL-38999 Series II connectors offer a rugged solution for demanding environments, with up to 128 contacts in an insert. Environmentally sealed and capable of operating between -65 °C and 200 °C, these connectors come in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in aluminum shells with plating options such as gold, electroless nickel, and cadmium-free finishes, they ensure reliable performance. Featuring M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors are suited for applications requiring durability and EMI shielding. With a mating type of bayonet and contact style of pin, they guarantee secure connections even in harsh conditions. RoHS compliant, these connectors meet stringent environmental standards, making them ideal for military and industrial use.