MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed 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 with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections with sizes ranging from 22D to 8. Constructed with high-strength aluminum shells, they come with a choice of plating options including cadmium-free finishes, meeting RoHS compliance. Suitable for military and aerospace applications, these connectors guarantee reliable performance in demanding conditions.