MIL-DTL-38999 Series I connectors are engineered for harsh environments, featuring up to 128 contacts sealed within the insert. With a wide 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 utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells are offered in different plating options, including cadmium-free finishes for RoHS compliance. Whether for front or rear wall mount or jam nut receptacles, these connectors, meeting military specification MIL-DTL-38999 I, ensure durability and conductivity, making them ideal for demanding applications.