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 configurations including front and rear wall mount, as well as jam nut receptacles, these connectors offer reliable RFI grounding. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure versatile connectivity. Constructed with high strength aluminum shells and offered in different plating options such as cadmium and nickel, these connectors meet stringent military specifications. Ideal for applications requiring durability and performance, they are suited for use in a wide range of industries.