MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering front and rear wall mount options along with jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating various needs. Built with high strength aluminum shells and available in different plating options, including RoHS certified finishes, they guarantee durability and performance. Ideal for military and industrial applications, these connectors provide reliable connectivity in demanding conditions.