MIL-DTL-38999 Series I connectors offer high-performance connectivity for harsh environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts. Constructed with high-strength aluminum shells, they come in different plating options, including cadmium-free finishes. Ideal for military and industrial applications, these connectors ensure reliable performance with their bayonet coupling and environmental resistance.