MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various receptacle styles including front and rear wall mount, jam nut, and box mount, they offer versatility in installation. With aluminum shells and options for plating finishes such as cadmium and nickel, these connectors ensure durability and reliability. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. RoHS compliant options are also available, making them suitable for diverse applications where environmental resistance is crucial.