The MIL-DTL-38999 Series I connectors offer robust performance with up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, this connector family is versatile. With 9 shell sizes and 52 insert arrangements available, they accommodate various needs with M39029 rear release crimp contacts in different sizes. Constructed with high-strength aluminum shells, they come with plating options such as cadmium and nickel finishes. Designed for military specifications, these connectors ensure reliable connectivity in demanding applications.