The MIL-DTL-38999 Series I connectors are designed for harsh environments, boasting up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they feature rear release crimp contacts and come in high-strength aluminum shells. Offering a choice of plating options, including cadmium-free finishes, these connectors ensure both durability and environmental compliance. Suitable for wall mounting applications, they feature bayonet coupling and are ideal for military and industrial use.