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, these connectors are suitable for a wide range of applications. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with high-strength aluminum shells and offered in different plating options such as electroless nickel and cadmium-free finishes, they meet stringent military specifications. Perfect for demanding environments, these connectors provide durable performance with a service rating of M and ingress protection against environmental factors.