MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts housed in sealed inserts. With an impressive operating range of -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Constructed with high-strength aluminum shells, they provide durability and are offered with a range of plating options, including cadmium-free finishes for RoHS compliance. The connectors, with options for front and rear wall mount as well as jam nut receptacles, are ideal for military and industrial use, guaranteeing secure and efficient electrical connections.