MIL-DTL-38999 Series I 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. Available in various configurations, including front and rear wall mount receptacles and jam nut plugs, they offer versatility for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure connections. Constructed with high-strength aluminum shells and multiple plating options such as gold, electroless nickel, and cadmium-free finishes, they guarantee durability and reliability. Meeting MIL-DTL-38999 I military specifications, these connectors are ideal for demanding industrial and aerospace environments where performance is paramount.