The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, featuring environmental sealing for reliable performance in harsh conditions. Designed for a wide temperature range from -65 °C to 200 °C, these connectors come in various configurations including front and rear wall mounts, jam nuts, and box mounts. Available in aluminum shells with multiple plating options, they ensure durability and versatility. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With RoHS certified finishes, they meet environmental standards while providing a mating cycle rating of 500 cycles. Perfect for military and industrial applications requiring high-performance connectivity.