MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Available in aluminum shells with multiple plating options, including RoHS certified finishes, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, they come in sizes 22D, 22M, 22, 20, 16, and 12. With a mating type of Bayonet, these connectors are ideal for military and industrial applications requiring durability and high performance in demanding conditions.