MIL-DTL-38999 Series I connectors feature up to 128 contacts in a robust insert design, ideal for harsh environments. With a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various configurations including front and rear wall mount, jam nut receptacles, and RFI grounding 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 offering multiple plating options like electroless nickel and cadmium finishes, they meet stringent military specifications. RoHS compliant versions are also available, making them suitable for diverse industries. With features like bayonet coupling and removable crimp contacts, these connectors provide ease of use and durability, with a mating life of 500 cycles. Whether for wall or jam nut mounting, the MIL-DTL-38999 Series I connectors offer reliable conductivity in demanding environments.