MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile installation options. With 52 insert arrangements available, including M39029 rear release crimp contacts in various sizes, these connectors cater to diverse needs. The durable aluminum shells come in multiple plating options, such as cadmium and nickel, ensuring reliable performance. RoHS compliant finishes are also available. Ideal for military and industrial applications, these connectors guarantee secure and efficient electrical connections.