MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Made with high-strength aluminum shells, they come in a range of plating options including cadmium-free finishes. With front and rear wall mount options, as well as jam nut receptacles, they provide secure and reliable connections. Utilizing M39029 rear release crimp contacts, they ensure efficient and durable performance. These connectors, compliant with military specification MIL-DTL-38999 I, are ideal for demanding military and industrial applications.