The 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 mounting options including front and rear wall mount as well as jam nut receptacles, they offer reliable RFI grounding. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure connections in aerospace and defense applications. Constructed with high strength aluminum shells and offered in RoHS compliant finishes, they provide durability and performance. Perfect for military and industrial use, these connectors guarantee optimum conductivity and protection against environmental factors.