MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, they are ideal for demanding applications. Available in various shell sizes and insert arrangements, these connectors offer versatility. Made with high-strength aluminum shells and offered in different plating options including cadmium-free finishes, they ensure reliable performance. The connectors come in different types such as front wall mount, rear wall mount, and jam nut receptacles, all meeting MIL-DTL-38999 I military specification standards. Their bayonet coupling design and use of M39029 rear release crimp contacts make them easy to install and maintain. Perfect for military and industrial use, these connectors provide secure and durable electrical connections in challenging environments.