The MIL-DTL-38999 Series II connectors offer a durable solution with up to 128 contacts, ideal for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The connectors come in aluminum shells with multiple plating options, ensuring enhanced durability. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With RoHS certified finishes available, these connectors meet stringent environmental standards, making them a dependable choice for military and industrial applications.