MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering robust environmental sealing and a wide operating temperature range from -65 °C to 200 °C. Designed for harsh environments, 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 with M39029 rear release crimp contacts, they ensure reliable connectivity in military and aerospace applications. Constructed with aluminum shells and plated with options such as electroless nickel and cadmium finishes, these connectors meet stringent performance standards. RoHS compliant versions are also available, making them suitable for a range of industrial uses.
