MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These thin-walled connectors come in various mounting options including front and rear wall mount, jam nut, and box mount receptacles. 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, they offer plating options such as cadmium and nickel for durability. With gold-plated contacts and a bayonet coupling, these connectors ensure reliable performance with a maximum operating temperature of 175 °C. Suitable for military and industrial applications, they provide 500 mating cycles and meet environment-resistant standards.
