The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they ensure reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors offer versatility for different applications. Constructed with high-strength aluminum shells and offered in a range of plating options, including RoHS certified finishes, they provide durability and corrosion resistance. The connectors come in different configurations, such as front wall mount, rear wall mount, and jam nut receptacles, accommodating various installation needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors meet stringent quality standards for reliability in critical operations.