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 versatility in connectivity solutions. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. With options for different shell sizes and insert arrangements, users can find the perfect fit for their applications. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial use, these connectors meet stringent performance standards for conductivity and environmental resistance.