MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options, as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections in demanding applications. Crafted with high strength aluminum shells, they come with plating options including cadmium finishes and RoHS certified alternatives. With a bayonet coupling and gold contact plating, they guarantee reliable performance with a maximum operating temperature of 175°C. The connectors, compliant with MIL-DTL-38999 I specifications, are ideal for military and industrial use, providing environment-resistant connectivity in critical systems.