MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts housed in a sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options including front and rear wall mount as well as jam nut receptacles, they ensure secure installations. The connector family boasts 52 insert arrangements and utilizes M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, catering to diverse connectivity needs. Constructed with high-strength aluminum shells and offering plating options such as cadmium and nickel, they guarantee durability and reliability. Compliant with RoHS regulations, these connectors are suitable for critical military and industrial environments where performance is paramount.