MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65 °C to 200 °C. These harsh environment connectors come in various styles, including front and rear wall mount, jam nut, and box mount receptacles, offering versatility for different installations. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options such as cadmium and nickel, these connectors ensure reliable performance. RoHS compliant finishes are also available, catering to environmental regulations. The MS27473 model specifically features a Straight Plug configuration with 13 gold-plated contacts (contact size 22M) and Electroless Nickel coating, suitable for demanding military and industrial applications.
