The MIL-DTL-38999 Series I connectors boast a robust design, with up to 128 contacts housed in an environmentally sealed insert. Featuring a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for harsh environments. Available in various shell sizes and insert arrangements, they offer versatility for different applications. The high strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Designed for military specifications, the Series I connectors are built to withstand demanding conditions, making them a dependable choice for critical operations.