The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. With a wide operating temperature range of -65 °C to 200 °C, these connectors are reliable in extreme conditions. Their 9 shell sizes and 52 insert arrangements, along with M39029 rear release crimp contacts, provide versatility in application. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, they ensure durability and performance. Perfect for military and industrial use, the MIL-DTL-38999 Series I connectors are essential for demanding applications.