The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert design. These environmentally sealed connectors are built to withstand extreme conditions, operating reliably in temperatures ranging from -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations in various applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide flexibility and ease of assembly. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS certified finishes, they guarantee long-lasting durability and performance. Perfect for military and industrial use, the MIL-DTL-38999 Series I connectors meet stringent standards for reliability and quality.