MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert that is environmentally sealed for reliable performance. Operating between -65 °C and 200 °C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, ensuring versatility in applications. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, these connectors meet stringent military specifications for durability and performance in demanding environments. With features like bayonet coupling and removable crimp contacts, they provide secure and efficient connectivity for critical systems.
