MIL-DTL-38999 Series I connectors feature up to 128 contacts housed within an environmentally sealed insert, designed for harsh environments with an operating temperature range from -65°C to 200°C. Available in various configurations including front and rear wall mount receptacles and RFI grounding plugs, these connectors offer versatility in military and aerospace applications. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, they ensure secure and reliable connections. Constructed with high-strength aluminum shells and offering a range of plating options, from cadmium to electroless nickel, these connectors meet stringent performance requirements. RoHS compliant finishes are also available, making them suitable for diverse industrial settings.