MIL-DTL-38999 Series I connectors offer high-performance connectivity, featuring up to 128 contacts in an insert designed for harsh environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they provide flexibility for different needs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they ensure reliable performance in diverse settings. The connectors come in different mount types, such as front wall, rear wall, and jam nut receptacles, accommodating various installation requirements. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Suitable for military and industrial use, these connectors are essential for maintaining connectivity in challenging environments.