MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert. Operating in extreme temperatures from -65°C to 200°C, these connectors are ideal for harsh environments. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they offer versatility. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come in plating options such as cadmium finishes and electroless nickel. RoHS compliant versions are also available. Perfect for military and industrial applications, these connectors ensure reliable connectivity in demanding settings.