MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes for RoHS compliance. This series includes front and rear wall mount, as well as jam nut receptacles, all featuring bayonet coupling for secure connections. Utilizing M39029 rear release crimp contacts, they ensure easy installation and maintenance. The contact gender is male, and the contact style is pin, suitable for various applications. Meeting MIL-DTL-38999 I military specifications, these connectors provide durability and performance in demanding environments.