MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors ensure reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. Offering front and rear wall mount options, as well as jam nut receptacles, these connectors provide versatility in installation. Suitable for military and industrial applications, they meet stringent MIL-DTL-38999 I specifications for durability and performance.