The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they come in high-strength aluminum shells with multiple plating options including cadmium-free finishes. The connectors, which include front and rear wall mount as well as jam nut receptacles, utilize M39029 rear release crimp contacts for secure connections. Ideal for military and aerospace applications, these connectors meet stringent MIL-DTL-38999 I specifications, ensuring durability and longevity.