MIL-DTL-38999 Series I connectors offer robust connectivity in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range of -65°C to 200°C, these connectors are built for reliability. Available in various mounting options including front and rear wall mount as well as jam nut receptacles, they cater to diverse applications. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in different sizes. Constructed with high-strength aluminum shells and offering plating options such as cadmium and nickel, they ensure durability. RoHS certified finishes are also available. Designed for military specifications, these connectors guarantee secure and efficient electrical connections in demanding settings.