The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut and box mount receptacles, they offer versatility in installation. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are built for durability. Available in aluminum shells with various plating options, including RoHS certified finishes, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With a range of shell sizes and insert arrangements, they cater to diverse connectivity needs, making them ideal for military and industrial applications.