MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating various requirements. Utilizing M39029 rear release crimp contacts, they ensure reliable connections. Constructed with high-strength aluminum shells and available in different plating options, including cadmium-free finishes, they prioritize durability and environmental compliance. Perfect for military and industrial use, these connectors guarantee performance in even the most challenging conditions.