MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer versatility for different connectivity needs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure reliability in harsh environments. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs for added functionality. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 I specifications, providing a dependable solution for demanding applications.