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 configurations including front and rear wall mount as well as jam nut receptacles, they ensure secure connections in demanding applications. Utilizing M39029 rear release crimp contacts in different sizes, these connectors offer flexibility with 52 insert arrangements. Constructed with high-strength aluminum shells and plated with options such as cadmium and nickel, they guarantee durability and performance. With RoHS certified finishes available, these connectors meet stringent environmental standards. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors provide reliable connectivity in challenging conditions.